Nissan Maxima Service and Repair Manual: DTC/circuit diagnosis

  • U1000 CAN comm circuit
  • Description DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1. PERFORM SELF DIAGNOSTIC Turn ignition switch ON and wait for 2 seconds or more. Check "Self Diagnostic Result" of IPDM E/R.

  • B2098 ignition relay on stuck
  • DTC Logic DTC DETECTION LOGIC 1.PERFORM DTC CONFIRMATION PROCEDURE Turn the power supply position to start under the following conditions and wait for at least 1 second. CVT selector lever is in the P (Park) or N (Neutral) position. Depress the brake pedal Check "Self-diagnostic result" with CONSULT Diagnosis Procedure 1. PERFORM SELF DIAGNOSTIC RESULT Perform Self Diagnostic Result of IPDM E/R using CONSULT.

  • B2099 ignition relay off stuck
  • DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PERFORM DTC CONFIRMATION PROCEDURE Turn the power supply position to start under the following conditions and wait for at least 1 second. CVT selector lever is in the P (Park) or N (Neutral) position. Depress the brake pedal Check "Self-diagnostic result" with CONSULT. Diagnosis Procedure 1.

  • Power supply and ground circuit
  • Diagnosis Procedure 1. CHECK FUSES AND FUSIBLE LINK Check that the following IPDM E/R fuses or fusible link are not blown. 2. CHECK POWER SUPPLY CIRCUIT Turn ignition switch OFF. Disconnect IPDM E/R connectors. Check voltage between IPDM E/R harness connector and ground. 3. CHECK GROUND CIRCUIT Check continuity between IPDM E/R harness connectors and ground.

Diagnosis system (IPDM E/R)

U1000 CAN comm circuit