Powertrain Diagnostic Procedures
- Introduction
- Identification Of System
- System Description And Functional Operation
- General Description
- Function Operation
- Fuel Control (Gas)
- On-Board Diagnostics
- Transmission Control
- Other Controls
- Charging System
- Seed Control
- Fuel Vapor Recovery System (Duty Cycle Purge Control) Gas Engine
- Leak Detection Pump
- Leak Detection Pump Operation
- EVAP Leak Detection System Components
- Leak Detection Pump (LDP) Components
- LDP At Rest (Not Powered)
- Diaphragm Upward Movement
- Diaphragm Downward Movement
- Pumping Action
- Enabling Conditions To Run EVAP Leak Detection Test
- Figure 6 Section 1
- Figure 6 Section 2
- Figure 6 Section 3
- Figure 6 Section 4
- Figure 6 Section 5
- Diagnostic Tips
- Test Equipment
- Important
- Non-Monitored Circuits
- Skis Overview
- Skim On-Board Diagnostic
- Skis Operation
- Programming The Powertrain Control Module
- Programming The Sentry Key Immobilizer Module
- Programming The Ignition Keys To The Sentry Key Immobilizer Module
- Diagnostic Trouble Codes
- Using The DRBIII®
- DRBIII® Error Messages And Blank Screen
- Disclaimers, Safety, Warnings
- Required Tools And Equipment
- Glossary Of Acronyms
- Diagnostic Procedure Code Definitions
- Communication - Symptoms
- DRIVEABILITY - Gas - Symptoms
- Symptom: INTERMITTENT CONDITION
- Symptom: *A/C OPERATES WITH A/C SELECT SWITCH OFF
- Symptom: *BRAKE SWITCH SENSE STATUS DOES NOT CHANGE ON DRBIII®
- Symptom: *CHECKING A/C SYSTEM OPERATION WITH NO DTCS
- Symptom: *CHECKING CHARGING SYSTEM OPERATION WITH NO DTCS
- Symptom: *CHECKING HARD TO FILL WITH FUEL
- Symptom: *CHECKING THE PCM POWER AND GROUNDS
- Symptom: *HYDRAULIC FAN OPERATION
- DRIVEABILITY - Gas - Diagnostic Tests
- P0031-O2 Sensor 1/1 Heater Circuit Low; P0032-O2 Sensor 1/1 Heater Circuit High; P0037-O2 Sensor 1/2 Heater Circuit Low; P0038-O2 Sensor 1/2 Heater Circuit High; P0051-O2 Sensor 2/1 Heater Circuit Low; P0052-O2 Sensor 2/1 Heater Circuit High
- P0071-Ambient/Battery Temp Sensor Performance
- P0107-Map Sensor Voltage Too Low
- P0108-Map Sensor Voltage Too High
- P0111-Intake Air Temp Sensor Performance
- P0112-Intake Air Temp Sensor Voltage Too Low
- P0113-Intake Air Temp Sensor Voltage Too High
- P0117-Engine Coolant Temp Sensor Voltage Too Low
- P0118-Engine Coolant Temp Sensor Voltage Too High
- P0121-TP Sensor Voltage Does Not Agree With Map
- P0122-Throttle Position Sensor #1 Voltage Too Low
- P0123-Throttle Position Sensor #1 Voltage Too High
- P0125-Closed Loop Temp Not Reached
- P0131-02 Sensor 1/1 Voltage Too Low, P0137-02 Sensor 1/2 Voltage Too Low, P0151-02 Sensor 2/1 Voltage Too Low, P0157-02 Sensor 2/2 Voltage Too Low
- P0132-02 Sensor 1/1 Voltage Too High, P0138-02 Sensor 1/2 Voltage Too High, P0152-02 Sensor 2/1 Voltage Too High, P0158-02 Sensor 2/2 Voltage Too High
- P0133-02 Sensor 1/1 Slow Response, P0139-02 Sensor 1/2 Slow Response, P0153-02 Sensor 2/1 Slow Response, P0159-02 Sensor 2/2 Slow Response
- P0135-02 Sensor 1/1 Heater Failure, P0141-02 Sensor 1/2 Heater Failure, 0P0155-02 Sensor 2/1 Heater Failure, P0161-02 Sensor 2/2 Heater Failure
- P0136-02 Sensor 1/2 Heater Circuit Malfunction
- P0171-1/1 Fuel System Lean, P0174-2/1 Fuel System Lean
- P0172-1/1 Fuel System Rich, P0175-2/1 Fuel System Rich
- P0201-Injector #1 Control Circuit, P0202-Injector #2 Control Circuit, P0203-Injector #3 Control Circuit, P0204-Injector #4 Control Circuit, P0205-Injector #5 Control Circuit, P0206-Injector #6 Control Circuit, P0207-Injector #7 Control Circuit, P0208-Injector #8 Control Circuit
- P0300-Multiple Cylinder Mis-Fire, P0301-Cylinder #1 Misfire, P0302-Cylinder #2 Misfire, P0303-Cylinder #3 Misfire, P0304-Cylinder #4 Misfire, P0305-Cylinder #5 Misfire, P0306-Cylinder #6 Misfire, P0307-Cylinder #7 Misfire, P0308-Cylinder #8 Misfire
- P0320-No Crank Reference Signal At Pcm
- P0325-Knock Sensor #1 Circuit, P0330-Knock Sensor #2 Circuit
- P0340-No Cam Reference Signal At Pcm
- P0351-Ignition Coil #1 Primary Circuit, P0352-Ignition Coil #2 Primary Circuit, P0353-Ignition Coil #3 Primary Circuit, P0354-Ignition Coil #4 Primary Circuit, P0355-Ignition Coil #5 Primary Circuit, P0356-Ignition Coil #6 Primary Circuit, P0357-Ignition Coil #7 Primary Circuit, P0358-Ignition Coil #8 Primary Circuit
- P0351-Ignition Coil #1 Primary Circuit, P0352-Ignition Coil #2 Primary Circuit, P0353-Ignition Coil #3 Primary Circuit
- P0420-1/1 Catalytic Converter Efficiency, P0432-2/1 Catalytic Converter Efficiency
- P0441-EVAP Purge Flow Monitor
- P0442-EVAP Leak Monitor Medium (0.040) Leak Detected, P0455-EVAP Leak Monitor Large Leak Detected, P0456-EVAP Leak Monitor Small (0.020) Leak Detected
- P0443-EVAP Purge Solenoid Circuit
- P0460-Fuel Level Unit No Change Over Miles, P0461-Fuel Level Unit No Change Over Time
- P0462-Fuel Level Sending Unit Voltage Too Low
- P0463-Fuel Level Sending Unit Voltage Too High
- P0500-No Vehicle Speed Signal
- P0505-Idle Air Control Motor Circuits
- P0523-Oil Pressure Voltage Too High
- P0601-Pcm Internal Controller Failure
- P0622-Generator Field Not Switching Properly
- P0645-A/C Clutch Relay Circuit
- P0700-TCM Controller DTC Present
- P1195-O2 Sensor 1/1 Slow During Catalyst Monitor, P1196-O2 Sensor 2/1 Slow During Catalyst Monitor
- P1281-Engine Is Cold Too Long
- P1282-Fuel Pump/System Relay Control Circuit
- P1294-Target Idle Not Reached
- P1296-No 5-Volts To Map Sensor
- P1297-No Change In Map From Start To Run
- P1299-Vacuum Leak Found
- P1388-ASD Relay Control Circuit
- P1389-No ASD Relay Output Voltage At Pcm
- P1391-Intermittent Loss Of CMP Or CKP
- P1398-Mis-Fire Adaptive Numerator At Limit
- P1486-EVAP Leak Monitor Pinched Hose Found
- P1489-High Speed Fan Relay Control Circuit
- P1490-Low Speed Fan Relay Control Circuit
- P1491-Cooling Fan Relay Control Circuit
- P1492-Ambient/Battery Temp Sensor Voltage Too High
- P1493-Ambient/Battery Temp Sensor Voltage Too Low
- P1494-Leak Detection Pump Switch Or Mechanical Fault
- P1495-Leak Detection Pump Solenoid Circuit
- P1499-Hydraulic Fan Solenoid Circuit
- P1594-Charging System Voltage Too High
- P1595-Speed Control Solenoid Circuits, P1683-Speed Control Power Circuit
- P1596-Speed Control Switch Always High
- P1597-Speed Control Switch Always Low
- P1598-A/C Pressure Sensor Voltage Too High
- P1599-A/C Pressure Sensor Voltage Too Low
- P1682-Charging System Voltage Too Low
- P1685-Wrong Or Invalid Key Message Received From Skim
- P1686-No Skim Bus Message Received
- P1687-No Cluster Bus Message
- P1696-Pcm Failure EEPROM Write Denied
- P1698-No Bus Message From TCM
- P1899-TRS Performance
- Sentry Key Immobilizer - Symptoms
- Symptom List: ANTENNA FAILURE, COP FAILURE, EEPROM FAILURE, INTERNAL FAULT, RAM FAILURE, SERIAL LINK INTERNAL FAULT, STACK OVERFLOW FAILURE
- Symptom List: PCM STATUS FAILURE, SERIAL LINK EXTERNAL FAULT
- Symptom List: ROLLING CODE FAILURE, VIN MISMATCH
- Symptom List: TRANSPONDER COMMUNICATION FAILURE, TRANSPONDER CYCLIC REDUNDANCY CHECK (CRC) FAILURE, TRANSPONDER ID MISMATCH, TRANSPONDER RESPONSE MISMATCH
- Starting - Symptoms
- Transfer Case - Mechanical - Diagnostic Tests
- Transmission - Re - Diagnostic Tests
- P0711-Trans Temp Sensor, No Temp Rise After Start
- P0712-Trans Temp Sensor Voltage Too Low
- P0713-Trans Temp Sensor Voltage Too High
- P0720-Low Output Speed Sensor - Rpm Above 15 Mph
- P0743-Torque Converter Clutch Solenoid/Trans Relay Circuits
- P0748-Pressure Sol Control/Trans Relay Circuits
- P0751-O/D Switch Pressed (Lo) More Than 5 Minutes
- P0753-Trans 3-4 Shift Sol/Trans Relay Circuits
- P1740-TCC O/D Sol Performance
- P1756-Gov Press Not Equal To Target @ 15-20 Psi, P1756-Gov Press Not Equal To Target @ 35 - 40 Psi (Diesel)
- P1757-Gov Press Above 3 Psi In Gear With 0 Mph
- P1762-Gov Press Sen Offset Volts Too Lo Or High
- P1763-Governor Pressure Sensor Volts Too Hi
- P1764-Governor Pressure Sensor Volts Too Low
- P1765-Trans 12 Volt Supply Relay CTRL Circuit
- Verification Tests
- Component Locations
- Connector PINOUTS