Powertrain Diagnostic Procedures
- Introduction
- Identification Of System
- System Description And Functional Operation
- General Description
- Function Operation
- Fuel Control
- On-Board Diagnostics
- Other Controls
- Charging System
- Leak Detection Pump System
- Leak Detection Pump Operation
- EVAP Leak Detection System Components (Figure 2)
- 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 7 Section 1
- Figure 7 Section 2
- Figure 7 Section 3
- Figure 7 Section 4
- Figure 7 Section 5
- Diagnostic Tips
- Test Equipment
- Important
- Non-Monitored Circuits
- Diagnostic Trouble Codes
- Hard Code
- Intermittent Code
- Starts Since Set Counter
- Handling No Trouble Code Problems
- No Start Information
- Using The DRBIII®
- DRBIII® Error Messages And Blank Screen
- Disclaimers, Safety, Warnings
- Required Tools And Equipment
- Acronyms
- Diagnostic Information And Procedures
- Diagnostic Trouble Code Identification
- Charging - Symptoms
- Charging - Diagnostic Tests
- Communication - Symptoms
- Symptom List: *Bus (+) And Bus (-) Open, *Bus (+) Open, *Bus (-) Open
- Symptom List: *Bus Bias Level Too High, *Bus Bias Level Too Low
- Symptom: *Bus Failure Message - Bus (+) And Bus (-) Shorted Together
- Symptom: *Bus Failure Message - No Termination
- Symptom: *Bus Failure Message - Short To 5 Volts
- Symptom: *Bus Failure Message - Short To Battery
- Symptom: *Bus Failure Message - Short To Ground
- Symptom: *No Bus Bias
- Symptom: *No Response From Airbag Control Module
- Symptom: *No Response From Controller Antilock Brake
- Symptom: *No Response From Electronic Entry Module
- Symptom: *No Response From Pcm (Sci Only)
- Symptom: *No Response From Powertrain Control Module (CCD)
- Symptom: *Not Receiving Bus Messages Correctly
- Communication - Diagnostic Tests
- DRIVEABILITY - Gas - Symptoms
- Symptom: *Checking Evaporative Emission Operation With No DTCS
- Symptom: *Checking Fuel Delivery
- Symptom: *Checking Map Sensor Operation With No DTCS
- Symptom: *Checking Minimum Airflow
- Symptom: *Checking Radiator Fan Operation With No DTCS
- Symptom: *Checking The Engine Coolant Temperature Sensor
- Symptom: *Checking The Intake Air Temperature Sensor
- Symptom: *Checking The Pcm Power And Grounds
- Symptom: *Checking Throttle Position Sensor Operation With No DTCS
- DRIVEABILITY - Gas - Diagnostic Tests
- DTC P0031: 1/1 O2 Sensor Heater Circuit Low, P0032: 1/1 O2 Sensor Heater Circuit High, P0051: 2/1 O2 Sensor Heater Circuit Low, P0052: 2/1 O2 Sensor Heater Circuit High
- DTC P0071: Battery Temp Sensor Performance
- DTC P0107: Map Sensor Voltage Too Low
- DTC P0108: Map Sensor Voltage Too High
- DTC P0111: Intake Air Temp Performance
- DTC P0112: Intake Air Temp Sensor Voltage Low
- DTC P0113: Intake Air Temp Sensor Voltage High
- DTC P0117: ECT Sensor Voltage Too Low
- DTC P0118: ECT Sensor Voltage Too High
- DTC P0121: TPS Voltage Does Not Agree With Map
- DTC P0122: TPS Voltage Low
- DTC P0123: TPS Voltage High
- DTC P0125: Closed Loop Temp Not Reached
- DTC P0131: 1/1 O2 Sensor Shorted To Ground, P0137: 1/2 O2 Sensor Shorted To Ground, P0151: 2/1 O2 Sensor Shorted To Ground, P0157: 2/2 O2 Sensor Shorted To Ground
- DTC P0132: 1/1 O2 Sensor Shorted To Voltage, P0138: 1/2 O2 Sensor Shorted To Voltage, P0152: 2/1 O2 Sensor Shorted To Voltage, P0158: 2/2 O2 Sensor Shorted To Voltage
- DTC P0133: 1/1 O2 Sensor Slow Response, P0139: 1/2 O2 Sensor Slow Response, P0153: 2/1 O2 Sensor Slow Response, P0159: 2/2 O2 Sensor Slow Response
- DTC P0135: 1/1 O2 Sensor Heater Failure, P0141: 1/2 O2 Sensor Heater Failure, P0155: 2/1 O2 Sensor Heater Failure, P0161: 2/2 O2 Sensor Heater Failure
- DTC P0171: 1/1 Fuel System Lean, P0174: 2/1 Fuel System Lean
- DTC P0172: 1/1 Fuel System Rich, P0175: 2/1 Fuel System Rich
- DTC 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, P0209: Injector #9 Control Circuit, P0210: Injector #10 Control Circuit
- Notes
- When Monitored and Set Condition:
- 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
- P0209: Injector #9 Control Circuit
- P0210: Injector #10 Control Circuit
- Possible Causes
- Diagnostic Test
- DTC P0300: Multiple Cylinder Misfire, 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, P0309: Cylinder #9 Misfire, P0310: Cylinder #10 Misfire
- DTC P0320: No Crank Reference Signal At Pcm
- DTC P0340: No Cam Signal At Pcm
- DTC 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
- DTC P0420: 1/1 Catalytic Converter Efficiency, P0432: 2/1 Catalytic Converter Efficiency
- DTC P0441: EVAP Purge Flow Monitor
- DTC P0442: EVAP Leak Monitor Medium (0.040) Leak Detected, P0455: EVAP Leak Monitor Large Leak Detected
- DTC P0443: EVAP Purge Solenoid Circuit
- DTC P0460: Fuel Level Unit No Change Over Miles
- DTC P0462: Fuel Level Sending Unit Volts Too Low
- DTC P0463: Fuel Level Sending Unit Volts Too High
- DTC P0500: No Vehicle Speed Sensor Signal
- DTC P0505: Idle Air Control Motor Circuits
- DTC P1195: 1/1 O2 Sensor Slow During Catalyst Monitor, P1196: 2/1 O2 Sensor Slow During Catalyst Monitor
- DTC P1282: Fuel Pump/System Relay Control Circuit
- DTC P1294: Target Idle Not Reached
- DTC P1296: No 5 Volts To Map Sensor
- DTC P1297: No Change In Map From Start To Run
- DTC P1388: Auto Shutdown Relay Control Circuit
- DTC P1389: No ASD Relay Output Voltage At Pcm
- DTC P1391: Intermittent Loss Of CMP Or CKP
- DTC P1398: Misfire Adaptive Numerator At Limit
- DTC P1486: EVAP Leak Monitor Pinched Hose Found
- DTC P1489: High Speed Fan Control Relay Circuit
- DTC P1491: Rad Fan On-Relay Control Circuit
- DTC P1494: Leak Detection Pump SW Or Mechanical Fault
- DTC P1495: Leak Detection Pump Solenoid Circuit
- Heating & A/C - Symptoms
- Heating & A/C - Diagnostic Tests
- Starting - Symptoms
- Transmission - Symptoms
- Transmission - Diagnostic Tests
- Verification Tests
- Component Locations
- Connector PINOUTS
- Schematic Diagram
- Charts And Graphs