Powertrain Diagnostic Procedures

• Introduction
  • Notes
  • System Coverage
  • Six-Step Trouble Shooting Procedure
• 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
      • Important Note:
      • For Abs And Air Bag Systems:
      • For Skim Theft Alarm:
  • Using The DRBIII®
  • DRBIII® Error Messages And Blank Screen
    • Notes
    • DRBIII® Does Not Power Up
    • Display Is Not Visible
• Disclaimers, Safety, Warnings
  • Disclaimers
  • Safety
    • Technician Safety Information
    • Vehicle Preparation For Testing
    • Servicing Sub-Assemblies
    • DRBIII® Safety Information
  • Warnings And Cautions
    • Road Test Warnings
    • Vehicle Damage Cautions
• Required Tools And Equipment
• Acronyms
• Diagnostic Information And Procedures
  • Diagnostic Trouble Code Identification
  • Charging - Symptoms
    • Symptom: *Checking Charging System Operation With No DTCS
      • Possible Causes
      • Diagnostic Test
    • Symptom: *Checking The Ambient/Battery Temperature Sensor
      • Possible Causes
      • Diagnostic Test
  • Charging - Diagnostic Tests
    • DTC P0622: Generator Field Not Switching Properly
      • When Monitored and Set Condition:
      • Possible Causes
      • Diagnostic Test
    • DTC P1492: Ambient/Batt Temp Sensor Volts Too High
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P1493: Ambient/Batt Temp Sensor Volts Too Low
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P1594: Charging System Voltage Too High
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P1682: Charging System Voltage Too Low
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
  • Communication - Symptoms
    • Symptom List: *Bus (+) And Bus (-) Open, *Bus (+) Open, *Bus (-) Open
      • Notes
      • Possible Causes
      • Diagnostic Test
    • Symptom List: *Bus Bias Level Too High, *Bus Bias Level Too Low
      • Notes
      • Possible Causes
      • Diagnostic Test
    • Symptom: *Bus Failure Message - Bus (+) And Bus (-) Shorted Together
      • Possible Causes
      • Diagnostic Test
    • Symptom: *Bus Failure Message - No Termination
      • Possible Causes
      • Diagnostic Test
    • Symptom: *Bus Failure Message - Short To 5 Volts
      • Possible Causes
      • Diagnostic Test
    • Symptom: *Bus Failure Message - Short To Battery
      • Possible Causes
      • Diagnostic Test
    • Symptom: *Bus Failure Message - Short To Ground
      • Possible Causes
      • Diagnostic Test
    • Symptom: *No Bus Bias
      • Possible Causes
      • Diagnostic Test
    • Symptom: *No Response From Airbag Control Module
      • Possible Causes
      • Diagnostic Test
    • Symptom: *No Response From Controller Antilock Brake
      • Possible Causes
      • Diagnostic Test
    • Symptom: *No Response From Electronic Entry Module
      • Possible Causes
      • Diagnostic Test
    • Symptom: *No Response From Pcm (Sci Only)
      • Possible Causes
      • Diagnostic Test
    • Symptom: *No Response From Powertrain Control Module (CCD)
      • Possible Causes
      • Diagnostic Test
    • Symptom: *Not Receiving Bus Messages Correctly
      • Possible Causes
      • Diagnostic Test
  • Communication - Diagnostic Tests
    • DTC P0601: Pcm Internal Controller Failure
      • Possible Causes
      • Diagnostic Test
    • DTC P1696: Pcm Failure EEPROM Write Denied
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
  • DRIVEABILITY - Gas - Symptoms
    • Symptom: *Checking Evaporative Emission Operation With No DTCS
      • Possible Causes
      • Diagnostic Test
    • Symptom: *Checking Fuel Delivery
      • Possible Causes
      • Diagnostic Test
    • Symptom: *Checking Map Sensor Operation With No DTCS
      • Possible Causes
      • Diagnostic Test
    • Symptom: *Checking Minimum Airflow
      • Possible Causes
      • Diagnostic Test
    • Symptom: *Checking Radiator Fan Operation With No DTCS
      • Possible Causes
      • Diagnostic Test
    • Symptom: *Checking The Engine Coolant Temperature Sensor
      • Possible Causes
      • Diagnostic Test
    • Symptom: *Checking The Intake Air Temperature Sensor
      • Possible Causes
      • Diagnostic Test
    • Symptom: *Checking The Pcm Power And Grounds
      • Possible Causes
      • Diagnostic Test
    • Symptom: *Checking Throttle Position Sensor Operation With No DTCS
      • Possible Causes
      • Diagnostic Test
  • 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
      • Notes
      • When Monitored and Set Condition
        • 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
      • Possible Causes
      • Diagnostic Test
    • DTC P0071: Battery Temp Sensor Performance
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P0107: Map Sensor Voltage Too Low
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P0108: Map Sensor Voltage Too High
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P0111: Intake Air Temp Performance
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P0112: Intake Air Temp Sensor Voltage Low
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P0113: Intake Air Temp Sensor Voltage High
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P0117: ECT Sensor Voltage Too Low
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P0118: ECT Sensor Voltage Too High
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P0121: TPS Voltage Does Not Agree With Map
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P0122: TPS Voltage Low
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P0123: TPS Voltage High
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P0125: Closed Loop Temp Not Reached
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • 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
      • Notes
      • When Monitored and Set Condition
        • 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
      • Possible Causes
      • Diagnostic Test
    • 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
      • Notes
      • When Monitored and Set Condition
        • 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
      • Possible Causes
      • Diagnostic Test
    • 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
      • Notes
      • When Monitored and Set Condition
        • 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
      • Possible Causes
      • Diagnostic Test
    • 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
      • Notes
      • When Monitored and Set Condition
        • 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
      • Possible Causes
      • Diagnostic Test
    • DTC P0171: 1/1 Fuel System Lean, P0174: 2/1 Fuel System Lean
      • Notes
      • When Monitored and Set Condition
        • P0171: 1/1 Fuel System Lean
        • P0174: 2/1 Fuel System Lean
      • Possible Causes
      • Diagnostic Test
    • DTC P0172: 1/1 Fuel System Rich, P0175: 2/1 Fuel System Rich
      • Notes
      • When Monitored and Set Condition
        • P0172: 1/1 Fuel System Rich
        • P0175: 2/1 Fuel System Rich
      • Possible Causes
      • Diagnostic Procedure
    • 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
      • Notes
      • When Monitored and Set Condition
        • 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
      • Possible Causes
      • Diagnostic Test
    • DTC P0320: No Crank Reference Signal At Pcm
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P0340: No Cam Signal At Pcm
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • 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
      • Notes
      • When Monitored and Set Condition
        • 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
      • Possible Causes
      • Diagnostic Test
    • DTC P0420: 1/1 Catalytic Converter Efficiency, P0432: 2/1 Catalytic Converter Efficiency
      • Notes
      • When Monitored and Set Condition
        • P0420: 1/1 Catalytic Converter Efficiency
        • P0432: 2/1 Catalytic Converter Efficiency
      • Possible Causes
      • Diagnostic Test
    • DTC P0441: EVAP Purge Flow Monitor
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P0442: EVAP Leak Monitor Medium (0.040) Leak Detected, P0455: EVAP Leak Monitor Large Leak Detected
      • Notes
      • When Monitored and Set Condition
        • P0442: EVAP Leak Monitor Medium (0.040) Leak Detected
        • P0455: EVAP Leak Monitor Large Leak Detected
      • Possible Causes
      • Diagnostic Test
    • DTC P0443: EVAP Purge Solenoid Circuit
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P0460: Fuel Level Unit No Change Over Miles
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P0462: Fuel Level Sending Unit Volts Too Low
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P0463: Fuel Level Sending Unit Volts Too High
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P0500: No Vehicle Speed Sensor Signal
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P0505: Idle Air Control Motor Circuits
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P1195: 1/1 O2 Sensor Slow During Catalyst Monitor, P1196: 2/1 O2 Sensor Slow During Catalyst Monitor
      • Notes
      • When Monitored and Set Condition
        • P1195: 1/1 O2 Sensor Slow During Catalyst Monitor
        • P1196: 2/1 O2 Sensor Slow During Catalyst Monitor
      • Possible Causes
      • Diagnostic Test
    • DTC P1282: Fuel Pump/System Relay Control Circuit
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P1294: Target Idle Not Reached
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P1296: No 5 Volts To Map Sensor
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P1297: No Change In Map From Start To Run
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P1388: Auto Shutdown Relay Control Circuit
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P1389: No ASD Relay Output Voltage At Pcm
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P1391: Intermittent Loss Of CMP Or CKP
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P1398: Misfire Adaptive Numerator At Limit
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P1486: EVAP Leak Monitor Pinched Hose Found
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P1489: High Speed Fan Control Relay Circuit
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P1491: Rad Fan On-Relay Control Circuit
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P1494: Leak Detection Pump SW Or Mechanical Fault
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P1495: Leak Detection Pump Solenoid Circuit
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
  • Heating & A/C - Symptoms
    • Symptom: *Checking A/C System Operation With No DTCS
      • Possible Causes
      • Diagnostic Test
  • Heating & A/C - Diagnostic Tests
    • DTC P0645: A/C Clutch Relay Circuit
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
  • Starting - Symptoms
    • Symptom: *Engine Cranks Does Not Start
      • Possible Causes
      • Diagnostic Test
    • Symptom: *No Crank Condition
      • Possible Causes
      • Diagnostic Test
    • Symptom: *No Response From Pcm With A No Start Condition
      • Possible Causes
      • Diagnostic Test
    • Symptom: *Start And Stall Condition
      • Possible Causes
      • Diagnostic Test
  • Transmission - Symptoms
    • Symptom: * Cannot Shift Into 2ND And 3RD Gears
      • Possible Cause
      • Diagnostic Test
    • Symptom: * Cannot Shift Into Reverse
      • Possible Cause
      • Diagnostic Test
  • Transmission - Diagnostic Tests
    • DTC P0801: Reverse Gear Lockout Circuit Open Or Shorted
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
    • DTC P1719: Skip Shift Solenoid Circuit Open Or Shorted
      • When Monitored and Set Condition
      • Possible Causes
      • Diagnostic Test
  • Verification Tests
    • Airbag Verification Test - VER 1
    • Body Verification Test - VER 1
    • Fuel System/Misfire Monitor Verification Test
    • Powertrain Verification Test VER - 1
    • Powertrain Verification Test VER - 2
    • Powertrain Verification Test VER - 3
    • Powertrain Verification Test VER - 5
    • Powertrain Verification Test VER - 6
• Component Locations
  • Control Modules And PDC
  • Controls And Solenoids
  • Data Link Connector
  • Sensors
  • Fuel System
  • Relays
• Connector PINOUTS
• Schematic Diagram
  • Dodge SR 8.0L JTEC System
• Charts And Graphs