Section 29 (Engine Controls - Tests W/Codes - 5.2L CNG)
WARNING: This page is about a different car, the 1995 Dodge Ram Wagon, 1995 Dodge Ram Van, 1995 Dodge Pickup, and 1995 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Model Identification
- Fuel Pressure Release
- Self-Diagnostic System
- DTC & Fault Codes/Messages
- Connector Identification
- Self-Diagnostic Tests
- Notes
- Test TC-1A - Checking System For DTCS
- Test TC-2A - No Crank Reference Signal At Pcm (DTC 11)
- Test TC-2B - No Crank Reference Signal At Pcm
- Test TC-3A - No Cam Signal At Pcm (DTC 54)
- Test TC-4A - No Change In Map From Start To Run (DTC 13)
- Test TC-5A - Map Sensor Voltage Too Low (DTC 14)
- Test TC-6A - Map Sensor Voltage Too High (DTC 14)
- Test TC-7A - No Vehicle Speed Sensor Signal (DTC 15)
- Test TC-7B - No Vehicle Speed Sensor Signal
- Test TC-8A - O2S Stays At Center (DTC 21)
- Test TC-9A - O2S Stays Above Center (Rich) (DTC 52)
- Test TC-10A - O2S Stays Below Center (Lean) (DTC 51)
- Test TC-11A - O2S Shorted To Voltage (DTC 21)
- Test TC-12A - Idle ADAP Mem At Lean Limit Or Idle ADAP Mem At Rich Limit (DTC 52)
- Test TC-13A - Throttle Position Sensor Voltage Low (DTC 24)
- Test TC-14A - Throttle Position Sensor Voltage High (DTC 24)
- Test TC-15A - ECT Sensor Voltage Too Low (DTC 22)
- Test TC-16A - ECT Sensor Voltage Too High (DTC 22)
- Test TC-17A - Intake Air Temp Sensor Voltage Low (DTC 23)
- Test TC-18A - Intake Air Temp Sensor Voltage High (DTC 23)
- Test TC-19A - CNG Temp Sensor Voltage Too Low (DTC 64)
- Test TC-20A - CNG Temp Sensor Voltage Too High (DTC 64)
- Test TC-21A - CNG Pressure Sensor Voltage Too Low (DTC 64)
- Test TC-22A - CNG Pressure Sensor Voltage Too High (DTC 64)
- Test TC-23A - Idle Air Control Motor Circuits (DTC 25)
- Test TC-23B - Idle Air Control Motor Circuits
- Test TC-23C - Idle Air Control Motor Circuits
- Test TC-23D - Idle Air Control Motor Circuits
- Test TC-23E - Idle Air Control Motor Circuits
- Test TC-24A - A/C Clutch Relay Circuit (DTC 33)
- Test TC-25A - No ASD Relay Output Voltage At Pcm (DTC 42)
- Test TC-26A - Auto Shutdown Relay Control Circuit (DTC 42)
- Test TC-27A - Trans Overdrive Solenoid Circuit (DTC 45)
- Test TC-28A - Torque Converter Clutch Solenoid Circuit (DTC 37)
- Test TC-29A - EGR Solenoid Circuit (DTC 32)
- Test TC-30A - EGR System Failure (DTC 32)
- Test TC-31A - Pcm Failure Sri Mile Not Stored & Pcm Failure EEPROM Write Denied (DTC 62 & 63)
- Test TC-32A - Low Speed Fan Control Circuit (DTC 35)
- Test TC-33A - High Speed Fan Control Circuit (DTC 35)
- Test TC-34A - Ignition Coil Primary Circuit (DTC 43)
- Test TC-34B - Ignition Coil #1 Primary Circuit
- Test TC-35A - Ignition Coil #2 Primary Circuit (DTC 43)
- Test TC-36A - Ignition Coil #3 Primary Circuit (DTC 43)
- Test TC-37A - Injector Control Circuits (DTC 27)
- Test TC-37B - Injector #1 Control Circuit
- Test TC-38A - Injector #2 Control Circuit (DTC 27)
- Test TC-39A - Injector #3 Control Circuit (DTC 27)
- Test TC-40A - Injector #4 Control Circuit (DTC 27)
- Test TC-41A - Injector #5 Control Circuit (DTC 27)
- Test TC-42A - Injector #6 Control Circuit (DTC 27)
- Test TC-43A - Injector #7 Control Circuit (DTC 27)
- Test TC-44A - Injector #8 Control Circuit (DTC 27)
- Test NTC-1A - No DTC Test Menu
- Test NTC-2A - Checking Secondary Ignition & Timing
- Test NTC-3A - Checking Fuel Pressure
- Test NTC-4A - Checking Fuel Injectors
- Test NTC-5A - Checking Coolant Sensor Calibration
- Test NTC-6A - Checking TP Sensor Calibration
- Test NTC-7A - Checking Map Sensor Calibration
- Test NTC-8A - Checking Oxygen Sensor Switching
- Test NTC-8B - Checking Oxygen Sensor Switching
- Test NTC-9A - Checking Oxygen Sensor Heater
- Test NTC-10A - Checking Idle Air Control Motor
- Test NTC-10B - Checking Idle Air Control Motor
- Test NTC-11A - Checking Solenoid Operations
- Test NTC-12A - Checking Park/Neutral Switch
- Test NTC-13A - Checking Pcm Grounds & Power Circuit
- Test NTC-14A - Checking EGR System
- Test NTC-15A - Checking Engine Vacuum
- Test NTC-16A - Performing No DTC Mechanical Test
- No-Start Tests
- Test NS-1A - Inspecting Fuel System
- Test NS-1B - Inspecting Fuel System
- Test NS-2A - Inspecting Fuel Relays & Solenoids
- Test NS-2B - Inspecting Fuel Relays & Solenoids
- Test NS-2C - Inspecting Fuel Relays & Solenoids
- Test NS-2D - Inspecting Fuel Relays & Solenoids
- Test NS-3A - Correcting Fuel Pressure Loss
- Test NS-4A - Inspecting Ignition
- Test NS-5A - Inspecting Mechanical System
- Test NS-6A - Correcting No Response Condition
- Test NS-6B - Correcting No Response Condition
- Test NS-7A - Inspecting Idle Air Control Motor Operation
- Test NS-7B - Inspecting Idle Air Control Motor Operation
- Test NS-7C - Inspecting Idle Air Control Motor Operation
- Test NS-7D - Inspecting Idle Air Control Motor Operation
- Test NS-7E - Inspecting Idle Air Control Motor Operation
- Test NS-8A - Correcting Start & Stall Condition
- Test NS-9A - Repairing No Crank Condition
- Verification Tests
- Summary
- Wiring Diagrams