Engine Controls Self-Diagnostics - Pathfinder & QX4

• Introduction
• Self-Diagnostic System
  • On-Board Diagnostics
  • Freeze-Frame Data
  • Testing Procedure
  • Retrieving Diagnostic Trouble Codes
    • Using Scan Tool
    • Using MIL
    • Diagnostic Test Mode II (Self-Diagnostic Results)
    • Diagnostic Test Mode II (Front HO2S Monitor)
    • Entering Diagnostic Test Mode II (Self-Diagnostic Results Mode)
    • Entering Diagnostic Test Mode II (Front HO2S Monitoring)
  • Clearing Diagnostic Trouble Codes
    • Notes
    • Using CONSULT-II
    • Using Generic Scan Tool
    • Using MIL
  • Fail-Safe Modes
    • Notes
    • DTC P0101, DTC P0102, DTC P0103 & DTC P1102: MAF Sensor
    • DTC P0117 & DTC P0118: ECT Sensor
    • DTC P0122 & DTC P0123: TP Sensor
    • DTC P1335: Crankshaft Position Sensor (REF)
    • ECM (DTCs Not Accessible)
  • System Readiness Test
    • Description
    • Checking SRT Code Status (Using CONSULT-II)
    • Checking SRT Code Status (Using Generic Scan Tool)
    • Setting SRT Codes (Using CONSULT-II)
    • Setting SRT Codes (Using Generic Scan Tool)
• Scan Tool Usage
  • Consult-II
    • Entering Diagnostic Test Modes
    • Work Support Mode
    • Self-Diagnostic Results Mode
    • Data Monitor Mode
    • Data Monitor (SPEC) Mode
    • Active Test Mode
    • Data Monitor Mode Reference Values
  • Generic Scan Tool
    • Notes
    • Mode 1: Readiness Test
    • Mode 2: Freeze Frame Data
    • Mode 3: Diagnostic Trouble Codes (DTCs)
    • Mode 4: Clearing Codes
    • Mode 6: On-Board Tests
    • Mode 7: On-Board Tests
    • Mode 8: EVAP System Testing
    • Mode 9: Calibration ID
• Engine Control Module
  • Engine Control Module Location
  • Engine Control Module Replacement
• Programming
  • Idle Air Volume Learning
    • Description
    • Pre-Conditioning
    • With CONSULT-II
    • Without CONSULT-II
  • NISSAN Vehicle Immobilizer System
• Summary
• Diagnostic Trouble Code Definitions
• Connector Identification
  • Engine Compartment Harness
  • Engine Control Harness
  • Main Harness
  • Engine Performance Harness Connectors
• Diagnostic Tests
  • Notes
  • DTC P0011: Bank 1 Intake Valve Timing Control - Range/Performance Or P0021: Bank 2 Intake Valve Timing Control - Range/Performance
    • Notes
    • Description
    • Possible Causes
    • Fail-Safe Mode
    • DTC Confirmation Test
    • Diagnostic Procedure Malfunction "A"
    • Diagnostic Procedure Malfunction "B"
  • DTC P0031: Bank 1 Heated Oxygen Sensor 1 Heater - Low Voltage, DTC P0032: Bank 1 Heated Oxygen Sensor 1 Heater - High Voltage, DTC P0051: Bank 2 Heated Oxygen Sensor 1 Heater - Low Voltage Or DTC P0052: Bank 2 Heated Oxygen Sensor 1 Heater - High Voltage
    • Notes
    • Description
    • Possible Causes - DTC P0031 (Bank 1) Or DTC P0051 (Bank 2)
    • Possible Causes - DTC P0032 (Bank 1) Or DTC P0052 (Bank 2)
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P0037: Bank 1 Heated Oxygen Sensor 2 Heater - Low Voltage, DTC P0038: Bank 1 Heated Oxygen Sensor 2 Heater - High Voltage, DTC P0057: Bank 2 Heated Oxygen Sensor 2 Heater - Low Voltage Or DTC P0058: Bank 2 Heated Oxygen Sensor 2 Heater - High Voltage
    • Notes
    • Description
    • Possible Causes - DTC P0037 (Bank 1) Or DTC P0057 (Bank 2)
    • Possible Causes - DTC P0038 (Bank 1) Or DTC P0058 (Bank 2)
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P0101: Mass Airflow Sensor - Range/Performance Problem
    • Notes
    • Description
    • Possible Causes
    • Fail-Safe Mode
    • DTC Confirmation Test Malfunction "A"
    • DTC Confirmation Test Malfunction "B" (Using CONSULT-II)
    • DTC Confirmation Test Malfunction "B" (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P0102: Mass Airflow Sensor - Low Input Or DTC P0103: Mass Airflow Sensor - High Input
    • Notes
    • Description
    • Possible Causes (DTC P0102)
    • Possible Causes (DTC P0103)
    • Fail-Safe Mode
    • DTC P0102 Confirmation Test
    • DTC P0103 Confirmation Test
    • Diagnostic Procedure
  • DTC P0107: Absolute Pressure Sensor - Low Input Or DTC P0108: Absolute Pressure Sensor - High Input
    • Notes
    • Description
    • Possible Cause (DTC P0107)
    • Possible Cause (DTC P0108)
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P0112: Intake Air Temperature Sensor - Low Input Or DTC P0113: Intake Air Temperature Sensor - High Input
    • Notes
    • Description
    • Possible Causes (DTC P0112)
    • Possible Causes (DTC P0113)
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P0117: Engine Coolant Temperature Sensor - Low Input Or DTC P0118: Engine Coolant Temperature Sensor - High Input
    • Notes
    • Description
    • Possible Causes (DTC P0117)
    • Possible Causes (DTC P0118)
    • Fail Safe Mode
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P0121: Throttle Position Sensor - Range/Performance Problem
    • Notes
    • Description
    • Possible Causes
    • Fail Safe Mode
    • DTC Confirmation Test Malfunction "A"
    • DTC Confirmation Test Malfunction "B" (Using CONSULT-II)
    • DTC Confirmation Test Malfunction "B" (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P0122: Throttle Position Sensor Circuit - Low Input Or DTC P0123: Throttle Position Sensor Circuit - High Input
    • Notes
    • Description
    • Possible Causes
    • Fail Safe Mode
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P0125: Insufficient Engine Coolant Temperature For Closed Loop Fuel Control
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P0127: Intake Air Temperature Sensor - High Voltage
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P0132: Bank 1 Heated Oxygen Sensor 1 - High Voltage Or P0152: Bank 2 Heated Oxygen Sensor 1 - High Voltage
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P0133: Bank 1 Heated Oxygen Sensor 1 Circuit - Slow Response Or DTC P0153: Bank 2 Heated Oxygen Sensor 1 Circuit - Slow Response
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P0134: Bank 1 Heated Oxygen Sensor 1 Circuit - No Activity Detected Or P0154: Bank 2 Heated Oxygen Sensor 1 Circuit - No Activity Detected
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P0138: Bank 1 Heated Oxygen Sensor 2 Circuit - High Voltage Or DTC P0158: Bank 2 Heated Oxygen Sensor 2 Circuit - High Voltage
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P0139: Bank 1 Heated Oxygen Sensor 2 Circuit - Slow Response Or DTC P0159: Bank 1 Heated Oxygen Sensor 2 Circuit - Slow Response
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P0171: Bank 1 Fuel Injection System Too Lean Or DTC P0174: Bank 2 Fuel Injection System Too Lean
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P0172: Fuel Injection System Too Rich Or DTC P0175: Fuel Injection System Too Rich
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P0181: Fuel Tank Temperature Sensor - Range/Performance Problem
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P0182: Fuel Tank Temperature Sensor - Low Input Or DTC P0183: Fuel Tank Temperature Sensor - High Input
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P0217: Engine Coolant OVERTEMPERATURE Enrichment Protection
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Overall Function Check)
    • Diagnostic Procedure
  • DTC P0300: Multiple Cylinder Misfire Detected, DTC P0301: Cylinder No. 1 Misfire Detected, DTC P0302: Cylinder No. 2 Misfire Detected, DTC P0303: Cylinder No. 3 Misfire Detected, DTC P0304: Cylinder No. 4 Misfire Detected, DTC P0305: Cylinder No. 5 Misfire Detected Or DTC P0306: Cylinder No. 6 Misfire Detected
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P0327: Knock Sensor Circuit - Low Input Or DTC P0328: Knock Sensor Circuit - High Input
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P0335: Crankshaft Position Sensor (Pos)
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P0340: Camshaft Position Sensor (Phase)
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Malfunction "A")
    • DTC Confirmation Test (Malfunction "B" & "C")
    • Diagnostic Procedure
  • DTC P0420: Bank 1 Catalyst System Efficiency - Below Threshold Or P0430: Bank 2 Catalyst System Efficiency - Below Threshold
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P0441: EVAP Control System - Incorrect Purge Flow
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P0442: EVAP Control System - Small Leak Detected
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P0444: EVAP Canister Purge Volume Control Solenoid Valve - Low Voltage Or P0445: EVAP Canister Purge Volume Control Solenoid Valve - High Voltage
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P0447: EVAP Canister Vent Control Valve - Open Circuit
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P0452: EVAP Control System Pressure Sensor - Low Voltage
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P0453: EVAP Control System Pressure Sensor - High Voltage
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P0455: EVAP Control System - Gross Leak Detected
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P0456: EVAP Control System - Very Small Leak
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P0460: Fuel Level Sensor - Noisy Circuit
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P0461: Fuel Level Sensor - Range/Performance
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
  • DTC P0462: Fuel Level Sensor - Low Voltage Or DTC P0463: Fuel Level Sensor - High Voltage
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P0500: Vehicle Speed Sensor
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P0505: Idle Speed Control System
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P0506: Idle Speed Control System - Idle Too Low
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P0507: Idle Speed Control System - Idle Too High
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P0510: Throttle Position Switch - Closed Position
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P0600: Automatic Transmission Communication Line Fault
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P0605: Engine Control Module Malfunction
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P1102: Mass Airflow Sensor - Range/Performance
    • Notes
    • Description
    • Possible Causes
    • Fail-Safe Mode
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P1111: Bank 1 Intake Valve Timing Control Solenoid Valve Or DTC P1136: Bank 2 Intake Valve Timing Control Solenoid Valve
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P1130: Swirl Control Valve Control Solenoid Valve
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test "A"
    • DTC Confirmation Test "B"
    • DTC Confirmation Test "C"
    • Diagnostic Procedure "A"
    • Diagnostic Procedure "B"
    • Diagnostic Procedure "C"
  • DTC P1131: Swirl Control Valve Control Solenoid Valve - Voltage Malfunction
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P1140: Bank 1 Intake Valve Timing Control Position Sensor - High Or Low Voltage Or DTC P1145: Bank 2 Intake Valve Timing Control Position Sensor - High Or Low Voltage
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P1143: Bank 1 Heated Oxygen Sensor 1 - Lean Shift Monitoring Or DTC P1163: Bank 2 Heated Oxygen Sensor 1 - Lean Shift Monitoring
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P1144: Bank 1 Heated Oxygen Sensor 1 - Rich Shift Monitoring Or DTC P1164: Bank 2 Heated Oxygen Sensor 1 - Rich Shift Monitoring
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P1146: Bank 1 Heated Oxygen Sensor 2 - Minimum Voltage Monitoring Or DTC P1166: Bank 2 Heated Oxygen Sensor 2 - Minimum Voltage Monitoring
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P1147: Bank 1 Heated Oxygen Sensor 2 - Maximum Voltage Monitoring Or DTC P1167: Bank 2 Heated Oxygen Sensor 2 - Maximum Voltage Monitoring
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P1148: Bank 1 Closed Loop Control Not Obtained Or DTC P1168: Bank 2 Closed Loop Control Not Obtained
    • Notes
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P1165: Swirl Control Vacuum Check Switch
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P1217: Engine Over Temperature
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P1335: Crankshaft Position Sensor (Ref) - Circuit Malfunction
    • Notes
    • Description
    • Possible Causes
    • Fail Safe Mode
    • DTC Confirmation Test (Malfunction "A")
    • DTC Confirmation Test (Malfunction "B" & "C")
    • Diagnostic Procedure
  • DTC P1336: Crankshaft Position Sensor (Pos) - Range/Performance Problem
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P1444: EVAP Canister Purge Volume Control Solenoid Valve - Improper Flow Condition
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P1446: EVAP Canister Vent Control Valve - Stuck Closed
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P1448: EVAP Canister Vent Control Valve - Stuck Open
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P1456: EVAP Control System - Very Small Leak Or Does Not Operate Properly
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P1464: Fuel Level Sensor Circuit - Ground Signal
    • Notes
    • Description
    • Possible Cause
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P1490: Vacuum Cut Valve By-Pass Valve - Improper Voltage Signal
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P1491: Vacuum Cut Valve By-Pass Valve - Does Not Operate Properly
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure
  • DTC P1605: A/T Diagnostic Communication Line
    • Notes
    • Description
    • Possible Cause
    • DTC Confirmation Test
    • Diagnostic Procedure
  • DTC P1706: Park/Neutral Position Switch
    • Notes
    • Description
    • Possible Causes
    • DTC Confirmation Test (Using CONSULT-II)
    • DTC Confirmation Test (Using Generic Scan Tool)
    • Diagnostic Procedure (M/T)
    • Diagnostic Procedure (A/T)