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Quick Diagnostic Chart (Us)

X: Applied

COMPONENT DESCRIPTION

Troubleshooting item Possible factor Starter motor malfunction (mechanical or electrical) Starter circuit including ignition switch is open Improper engine oil level Low or dead battery Charging system malfunction Improper engine compression Improper oil level gauge Base engine malfunction Drive plate (ATX) or fly wheel (MTX) is seized Improper tension or damaged drive belts Improper engine coolant level Water and anti-freeze mixture is improper Cooling system malfunction (such as radiator, hoses, overflow system, coolant control valve) Cooling fan system malfunction Inappropriate engine coolant concentration (engine coolant in radiator freezes and engine coolant does not flow) Foreign matter penetration in engine coolant
Blown fuses                                
Check engine light illuminates                                
Will not crank X X   X X     X X              
Hard to star/long crank/erratic start/erratic crank X         X   X                
Engine stalls after start/at idle           X                    
Cranks normally but will not start           X                    
Engine oil warning light illuminated/message related to engine hydraulic pressure malfunction indicated in display     X       X X                
Low fuel warning light flashes/message related to low fuel level indicated in display                                
Engine runs rough/rolling idle           X                    
Fast Idle/runs on                                
Low ide/stalls during deceleration           X                    
Engine stalls/quits, engine runs rough, misses, buck/jerk, hesitation/stumble, surges           X                    
Lack/loss of power-acceleration/cruise           X                    
Knocking/pinging acceleration/cruise           X               X    
Poor fuel economy           X X       X          
Emission compliance           X   X         X      
High oil consumption/leakage             X X                
Cooling system concerns overheating                   X X X X X X X
Cooling system concerns runs cold                         X X    
Exhaust smoke           X   X         X      
Fuel odor (in engine compartment)                                
Engine noise                   X            
Vibration concerns (engine)       X                        
A/C does not work sufficiently                                
A/C is always on or A/C compressor runs continuously                                
Sulfuric smell occurs                                
Fuel refill concerns                                
Fuel filling shut off concerns                                
Spark plug condition           X                    
No cylinder deactivation       X                        
ATX concerns Upshift/downshift/engagement See Section 05-03 TRANSAXLE, SYMPTOM TROUBLESHOOTING (ET6A-EL, ET6AX-EL] SYMPTOM TROUBLESHOOTING [EV6A-EL. EV6AX-EL

X: Applied

COMPONENT DESCRIPTION

Troubleshooting item Possible factor Engine or transaxle mounts are improperly installed Cooling fan seats improper Fuel quality Improper engine oil viscosity Improper valve timing Oil leakage Improper oil or fluid level Coolant leakage Electric variable valve timing system malfunction Hydraulic variable valve timing system malfunction Engine overheating Air cleaner element clogged or restricted Air leakage from intake-air system (loose tubes, cracks, gaskets breakage) Air suction in intake-air system Intake-air system restriction
Blown fuses                              
Check engine light illuminates                 X X          
Will not crank                              
Hard to start/long crank/erratic start/erratic crank     X   X       X X   X X   X
Engine stalls-after start/at idle     X   X       X X X   X   X
Cranks normally but will not start     X   X       X X X X X   X
Engine oil warning light illuminated/message related to engine hydraulic pressure malfunction indicated in display       X   X X                
Low fuel warning light flashes/message related to low fuel level indicated in display                              
Engine runs rough/rolling idle     X   X       X X X   X   X
Fast idle/runs on                         X    
Low idle/stalls during deceleration                 X X     X   X
Engine stalls/quits, engine runs rough, misses, buck/jerk, hesitation/stumble, surges     X   X       X X X X     X
Lack/loss of power-acceleration/cruise     X   X       X X X X X   X
Knocking/pinging-acceleration/cruise     X               X   X    
Poor fuel economy       X                      
Emission compliance     X   X           X X X    
High oil consumption/leakage       X   X                  
Cooling system concerns-overheating               X              
Cooling system concerns-runs cold                              
Exhaust smoke         X X   X       X X    
Fuel odor (in engine compartment)                              
Engine noise             X                
Vibration concerns (engine) X X                          
A/C does not work sufficiently                              
A/C is always on or A/C compressor runs continuously                              
Sulfuric smell occurs     X                        
Fuel refill concerns                              
Fuel filling shut off concerns                              
Spark plug condition                              
No cylinder deactivation                     X        
ATX concerns Upshift/downshift/engagement See Section 05-03 TRANSAXLE. SYMPTOM TROUBLESHOOTING [ET6A-EL. ET6AX-EL] SYMPTOM TROUBLESHOOTING (EV6A-EL, EV6AX-EL)

X: Applied

COMPONENT DESCRIPTION

Troubleshooting item Possible factor Drive by-wire control system improper operation Dnve-by-wire control system operates with brake override system Throttle solenoid valve malfunction Purge solenoid valve malfunction Vacuum leakage (vacuum hose, evaporative hose and/or ventilation hose damage, misrouting) Ignition coil malfunction (e g open, short or cracks) Initial ignition timing misadjustment (CKP and pulse wheel misadjustment Spark plug malfunction Fuel pump (low-pressure side) malfunction (mechanically or electrically) Pressure regulator (built-into fuel pump unit at fuel tank) malfunction Inadequate Fuel Pressure (high pressure side) Inadequate fuel pressure (low-pressure side) Fuel Line restricted or clogged
Blown fuses                          
Check engine light illuminates X                        
Will not crank                          
Hard to start/long crank/erratic start/erratic crank X   X X X X X X X   X X X
Engine stalls-after start/at idle X     X X X     X   X X X
Cranks normally but will not start X     X X X   X X   X X X
Engine oil warning light nominated/message related to engine hydraulic pressure malfunction indented m display                          
Low fuel warning light flashes/message related to low fuel level indicated in display                 X X      
Engine runs rough/rolling idle X     X X X   X X   X X X
Fast idle/runs on X   X                    
Low idle/stalls during deceleration X     X X       X   X X X
Engine stalls/quits, engine runs rough, misses, buck/jerk, hesitation/stumble, surges X   X X X     X X   X X X
Lack/loss of power-acceleration/cruise X X X X X X   X X   X X X
Knocking/pinging acceleration/cruise X         X   X     X X  
Poor fuel economy               X          
Emission compliance X   X X X     X     X X X
High oil consumption/leakage                          
Cooling system concerns-overheating                          
Cooling system concerns-runs cold                          
Exhaust smoke           X   X     X X X
Fuel odor (in engine compartment)       X             X X X
Engine noise         X                
Vibration concerns (engine)                          
AC does not work sufficiently                          
AC is always on or AC compressor runs continuously                          
Sulfuric smell occurs                          
Fuel refill concerns                          
Fuel filling shut off concerns                          
Spark plug condition               X          
No cylinder deactivation                          
ATX concerns Upshift/downshift/engagement See Section 05-03 TRANSAXLE. SYMPTOM TROUBLESHOOTING (ET6A-EL. ET6AX-EL) SYMPTOM TROUBLESHOOTING [EV6A-EL. EV6AX-EL]

X: Applied

COMPONENT DESCRIPTION

Troubleshooting item Possible factor Fuel injector malfunction (inoperative) Fuel filler cap malfunction Fuel tillers restricted or dogged Relief valve malfunction (built-into high pressure fuel pump) Spill valve control solenoid valve malfunction (built-into high pressure fuel pump) Fuel leakage at fuel line High pressure fuel pump malfunction Incorrect fuel injection timing or amount Improper air/fuel ratio mixture control Exhaust system or catalytic converter restriction Exhaust gas leakage Catalytic converter malfunction PCV valve malfunction Fuel tank vent system malfunction Charcoal canister malfunction (Except (U.S.A. and CANADA)) Charcoal canister main malfunction (U.S.A and CANADA) Charcoal canister sub malfunction (U.S.A. and CANADA)
Blown fuses                                  
Check engine light illuminates X       X       X     X          
Will not crank                                  
Hard to start/long crank/erratic start/erratic crank X   X X X X X X X X     X        
Engine stalls-after start/at idle X   X X X X X X X X     X        
Cranks normally but will not start X   X X X X X X X X     X        
Engine oil warning light illuminated/message related to engine hydraulic pressure malfunction indicated in display                                  
Low fuel warning light flashes/message related to low fuel level indicated in display     X                            
Engine runs rough/rolling idle X   X X X X X   X X     X        
Fast idle/runs on X       X       X                
Low idle/stalls during deceleration X   X X X X X X X                
Engine stalls/quits, engine runs rough, misses, buck/jerk hesitation/stumble, surges X   X X X X X X X X     X        
Lack/loss of power acceleration/cruise X   X X X X X X X X X   X        
Knocking/pinging-acceleration/cruise X       X     X   X              
Poor fuel economy                                  
Emission compliance X     X X X X X X X X X X   X X X
High of consumption/leakage                         X        
Cooling system concerns-overheating                                  
Cooling system concerns-runs cold                                  
Exhaust smoke X   X X X   X X   X X   X        
Fuel odor (in engine compartment) X X       X                 X X X
Engine noise                   X              
Vibration concerns (engine)                                  
A/C does not work sufficiently                                  
A/C is always on or A/C compressor runs continuously                                  
Sulfuric smell occurs                                  
Fuel refill concerns                                  
Fuel filling shut off concerns                                  
Spark plug condition X             X X X              
No cylinder deactivation                                  
ATX concerns Upshift/downshift/engagement See Section 05-03 TRANSAXLE SYMPTOM TROUBLESHOOTING (ET6A-EL. ET6AX-EL] SYMPTOM TROUBLESHOOTING [EV6A-EL. EV6AX-EL)

X: Applied

COMPONENT DESCRIPTION

Troubleshooting item Possible factor Constant voltage supply circuit malfunction Main relay malfunction (mechanically or electrically) No battery power supply to PCM Poor PCM ground or vehicle ground (open) Electrical Connector Disconnection ECT sensor No. 1 or related circuit malfunction Transaxle range sensor malfunction (ATX) Brake switch or related circuit malfunction A/F sensor or HO2S or related circuit malfunction IAT sensor No 1 (Integrated in MAF Sensor/IAT sensor No 1)or related circuit malfunction IAT sensor No 2 (Integrated in MAP sensor/ IAT sensor No 2) or related circuit malfunction Fuel pressure sensor or related circuit malfunction MAP sensor or related circuit malfunction Starter interlock switch malfunction (MTX) Starter interlock switch or related circuit malfunction (MTX)
Blown fuses                              
Check engine light illuminates         X X   X X X   X X    
Will not crank   X   X                   X X
Hard to start/long crank/erratic start/erratic crank       X   X     X     X X    
Engine stalls-after start/at idle     X X X X     X     X X    
Cranks normally but will not start     X X X X     X     X      
Engine oil warning light illuminated/message related lo engine hydraulic pressure malfunction indicated in display                              
Low fuel warning light flashes/message related to low fuel level indicated in display                              
Engine runs rough/rolling idle         X X     X     X X    
Fast idle/runs on           X     X            
Low idle/stalls during deceleration           X   X X     X X    
Engine stalls/quits, engine runs rough misses bock/jerk, hesitation/stumble, surges   X       X     X X   X X    
Lack/loss of power-acceleration/cruise           X     X X   X X    
Knocking/pinging acceleration/cruise           X       X X X X    
Poor fuel economy                              
Emission compliance                 X X   X X    
High oil consumption/leakage                              
Cooling system concerns-overheating           X                  
Cooling system concerns-runs cold           X                  
Exhaust smoke           X     X X   X X    
Fuel odor (in engine compartment)                              
Engine noise                              
Vibration concerns (engine)                              
A/C does not work sufficiently                              
AX: is always on or A/C compressor runs continuously                              
Sulfuric smell occurs                              
Fuel refill concerns                              
Fuel filling shut off concerns                              
Spark plug condition           X     X            
No cylinder deactivation                              
ATX concerns Upshift/downshift/engagement See Section 05-03 TRANSAXLE. SYMPTOM TROUBLESHOOTING [ET6A-EL, ET6AX-EL) SYMPTOM TROUBLESHOOTING (EV6A-EL, EV6AX-EL]

X: Applied

COMPONENT DESCRIPTION

Troubleshooting item Possible factor Intake CMP sensor damaged (e g open or short circuit) Intake CMP sensor pulse wheel (intake camshaft) damaged Exhaust CMP sensor damaged (e.g. open or short circuit) Exhaust CMP sensor pulse wheel (exhaust camshaft) damaged Improper gap between CKP sensor and pulse wheel CKP sensor damaged (e.g. open or short circuit) CKP sensor pulse wheel damaged Neutral sensor or related circuit malfunction (MTX) MAF sensor or related circuit malfunction KS or related circuit malfunction TP sensor or related circuit malfunction APP sensor or related circuit malfunction Improper vehicle speed signal Cruise control system operation impropriety
Blown fuses                            
Check engine light illuminates X   X   X X     X X X X X  
Will not crank                 X          
Hard to start/long crank/erratic start/erratic crank X X X X X X X   X       X  
Engine stalls-after start/at idle X X X X X X X   X     X X  
Cranks normally but will not start X X X X X X X   X     X X  
Engine oil warning light illuminated/message related to engine hydraulic pressure malfunction indicated in display                            
Low fuel warning light flashes/message rolled to low fuel level indented in display                            
Engine runs rough/rolling idle X X X X X X X   X     X X  
Fast idle/runs on               X       X X X
Low Idle/stalls during deceleration X X X X X X X X X   X X X  
Engine stalls/quits, engine runs rough, misses. buck/jerk, hesitation/stumble, surges X X X X X X X X X   X X X  
Lack/loss of power-acceleration/cruise X X X X X X X X X     X X  
Knocking/pinging-acceleration/cruise X X X X         X X   X    
Poor fuel economy                            
Emission compliance X X X X X X X   X   X X X  
High oil consumption/leakage                            
Cooling system concerns-overheating                            
Cooling system concerns runs cold                            
Exhaust smoke         X       X   X X X  
Fuel odor (in engine compartment)                            
Engine noise                            
Vibration concerns (engine)                            
A/2 does not work sufficiently                            
A/2 Is always on or A/C compressor runs continuously                            
Sulfuric smell occurs                            
Fuel refill concerns                            
Fuel filling shut off concerns                            
Spark plug condition                 X          
No cylinder deactivation                         X  
ATX concerns Upshift/downshift/engagement See Section 06-03 TRANSAXLE. SYMPTOM TROUBLESHOOTING [ET6A-EL. ET6AX-EL] SYMPTOM TROUBLESHOOTING JEV6A-EL. EV6AX-EL]

X: Applied

COMPONENT DESCRIPTION

Troubleshooting item Possible factor A/C system improper operation Improper refrigerant charging amount A/C relay (A/C) control signal circuit) malfunction A/C compressor magnetic clutch malfunction Clutch slippage (MTX) ATX related parts malfunction (ATX) Improper ATF level (ATX) Brake dragging Loose parts Improper balance of wheels and tires Drive line malfunction Suspension malfunction Immobilizer system operating properly Immobilizer system or related circuit malfunction Advanced keyless entry system malfunction
Blown fuses                              
Check engine light illuminates                              
Will not crank                         X X X
Hard to start/long crank/erratic startferratic crank                 X            
Engine stalls-after start/at idle X X X           X            
Cranks normally but will not start                 X            
Engine oil warning light illuminated/message related to engine hydraulic pressure malfunction indicated in display                              
Low fuel warning light flashes/message related to low fuel level indicated in display                              
Engine runs rough/rolling idle X X X           X            
Fast idle/runs on     X                        
Law idle/stalls during deceleration X     X         X            
Engine stalls/quits, engine rune rough misses buck/jerk, hesitation/stumble, surges X       X X     X            
Lack/loss of power acceleration/cruise X   X   X     X X            
Knocking/pinging acceleration/cruise                              
Poor fuel economy         X   X X   X          
Emission compliance                              
High oil consumption/leakage                              
Cooling system concerns-overheating X X                          
Cooling system concerns runs cold                              
Exhaust smoke                              
Fuel odor (in engine compartment)                 X            
Engine noise                 X            
Vibration concerns (engine)                 X X X X      
A/C does not work sufficiently X X X X                      
A/C is always on or A/C compressor runs continuously X   X X                      
Sulfuric smell occurs                              
Fuel refill concerns                              
Fuel filling shut off concerns                              
Spark plug condition                              
No cylinder deactivation                              
ATX concerns Upshift/downshift/engagement See Section 05-03 TRANSAXLE, SYMPTOM TROUBLESHOOTING [ET6A-EL. ET6AX-EL] SYMPTOM TROUBLESHOOTING [EV6A-EL. EV6AX-EL)

X: Applied

COMPONENT DESCRIPTION

Troubleshooting item Possible factor Instrument cluster malfunction Climate control unit malfunction Incorrect fuel nozzle installation Improper use of fuel nozzle Fuel nozzle malfunction Non-return valve malfunction Check valve malfunction (Except (U.S.A. and CANADA)) Pressure control valve malfunction Inadequate fuel filling speed Evaporative emissions system hoses restriction ECT sensor No. 2 or related circuit malfunction CV solenoid valve or related circuit malfunction Fuel tank pressure sensor or related circuit malfunction Engine oil contamination Improper lire air pressure Engine operation time is longer titan traveled distance Amount of fuel Injection increases Active air shutter malfunction (With active air shutter)
Blown fuses                                    
Check engine light illuminates X                   X X X          
Will not crank X                                  
Hard to start/long crank/erratic start/erratic crank                     X              
Engine stalls-after start/st idle                     X              
Cranks normally but will not start                     X              
Engine oil warning light illuminated/message related to engine hydraulic pressure malfunction indicated in display X                                  
Low fuel warning light flashes/message related to low fuel level indicated in display X                                  
Engine runs rough/rolling idle                     X              
Fast idle/runs on                     X              
Low idle/stalls during deceleration                     X              
Engine stalls/quits. engine runs rough, misses, buck/jerk, hesitation/stumble, surges                     X              
Lack/loss of power-acceleration/cruise                     X       X      
Knocking/pinging acceleration/cruise                     X              
Poor fuel economy                           X X X X  
Emission compliance                                    
High oil consumption/leakage                                    
Cooling system concerns-overheating                     X             X
Cooling system concerns-runs cold                     X             X
Exhaust smoke                     X              
Fuel odor (In engine comportment)                                    
Engine noise                                    
Vibration concerns (engine)                                    
A/C does not work sufficiently   X                                
A/C is always on or A/C compressor runs continuously   X                                
Sulfuric smell occurs                                    
Fuel refill concerns       X   X X   X X                
Fuel tilling shut oft concerns     X   X X X                      
Spark plug condition                     X              
No cylinder deactivation                                    
ATX concerns Upshift/downshift/engagement See Section 05-03 TRANSAXLE, SYMPTOM TROUBLESHOOTING (ET6A-EL, ET6AX-EL] SYMPTOM TROUBLESHOOTING [EV6A-EL, EV6AX-EL)

X: Applied

COMPONENT DESCRIPTION

Troubleshooting item Possible factor Body control module (BCM) malfunction Multi-information display malfunction Center display malfunction Compressor valve malfunction (built-into AAC compressor) Characteristic learning for cylinder deactivation system-related parts is not completed Engine torque is large Insufficient engine warm up Engine oil temperature is high During DSC operation Cylinder deactivation control continues for long periods Cylinder deactivation system-related part malfunction Low fuel tank level Jet pump (built-into fuel pump unit) malfunction (AWD) Clogging in hose between fuel tank (main) and fuel tank (sub) (AWD) Disconnected hose between fuel tank (main) and fuel tank (sub) (AWD)
Blown fuses                              
Check engine light illuminates                              
Will not crank X                            
Hart to start/long crank/erratic start/erratic crank                              
Engine stalls-after start/at idle                              
Cranks normally but will not start                              
Engine oil warning light illuminated/message related to engine hydraulic pressure malfunction indicated in display X                            
Low fuel warning light flashes/message related to low fuel level indicated in display X                     X X X X
Engine runs rough/rolling idle                              
Fast idle/runs on                              
Low idle/stalls during deceleration                              
Engine stalls/quits, engine runs rough, misses, buck/jerk, hesitation/stumble, surges                              
Lack/loss of power-acceleration/cruise                              
Knocking/pinging-acceleration/cruise                              
Poor fuel economy                              
Emission compliance                              
High oil consumption/leakage                              
Cooling system concerns-overheating X X X                        
Cooling system concerns- runs cold X                            
Exhaust smoke                              
Fuel odor (in engine comportment)                              
Engine noise                              
Vibration concerns (engine)                              
A/C does not work sufficiently X     X                      
A/C is always on or A/C compressor runs continuously X                            
Sulfuric smell occurs                              
Fuel refill concerns                              
Fuel filling shut off concerns                              
Spark plug condition                              
No cylinder deactivation         X X X X X X X        
ATX concerns Upshift/downshift/engagement See Section 05-03 TRANSAXLE, SYMPTOM TROUBLESHOOTING [ET6A-EL. ET6AX-EL) SYMPTOM TROUBLESHOOTING [EV6A-EL, EV6AX-EL]
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