LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2009 >> Equator RMZ-4 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (VQ40DE) - (5 Of 5) >> Engine Control System Symptoms: Symptom Matrix Chart >> System - Engine Mechanical & Other
April 5, 2026: LEMON Manuals is launched! Read the announcement.

System - Engine Mechanical & Other

SYMPTOM MATRIX CHART

  SYMPTOM
[A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M]
Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA
Fuel Fuel tank 5 5                      
Fuel piping 5 5 5 5 5 5
Vapor lock                        
Valve deposit 5 5 5 5   5 5     5
Poor fuel (Heavy weight gasoline, Low octane)      
Air Air duct   5 5   5   5 5     5    
Air cleaner
Air leakage from air duct (Mass air flow sensor - electric throttle control actuator) 5 5 5 5
Electric throttle control actuator
Air leakage from intake manifold/Collector/Gasket
Cranking Battery 1 1 1   1   1 1     1   1
Generator circuit
Starter circuit 3            
Signal plate 6
PNP switch 4
Engine Cylinder head 5 5 5 5 5   5 5     5    
Cylinder head gasket 4 3  
Cylinder block 6 6 6 6 6 6 6 6   4
Piston
Piston ring
Connecting rod  
Bearing
Crankshaft
Valve mechanism Timing chain 5 5 5 5 5   5 5     5    
Camshaft
Intake valve timing control
Intake valve 3
Exhaust valve
Exhaust Exhaust manifold/Tube/Muffler/Gasket 5 5 5 5 5   5 5     5    
Three way catalyst
Lubrication Oil pan/Oil strainer/Oil pump/Oil filter/Oil gallery/Oil cooler 5 5 5 5 5   5 5     5    
Oil level (Low)/Filthy oil
Cooling Radiator/Hose/Radiator filler cap 5 5 5 5 5   5 5   4 5    
Thermostat 5
Water pump  
Water gallery
Cooling fan 5
Coolant level (Low)/Contaminated coolant 5
Immobilizer system 1 1                      
1 - 6: The numbers refer to the order of inspection.
[A]: HARD/NO START/RESTART (EXCP. HA)
[B]: ENGINE STALL
[C]: HESITATION/SURGING/FLAT SPOT
[D]: SPARK KNOCK/DETONATION
[E]: LACK OF POWER/POOR ACCELERATION
[F]: HIGH IDLE/LOW IDLE
[G]: ROUGH IDLE/HUNTING
[H]: IDLING VIBRATION
[I]: SLOW/NO RETURN TO IDLE
[J]: OVERHEATS/WATER TEMPERATURE HIGH
[K]: EXCESSIVE FUEL CONSUMPTION
[L]: EXCESSIVE OIL CONSUMPTION
[M]: BATTERY DEAD (UNDER CHARGE)