Nissan Maxima Service and Repair Manual: DTC/circuit diagnosis

  • Wiper and washer fuse
  • Description Fuse list Diagnosis Procedure 1. CHECK FUSES Check that the following fuses are not blown.

  • Front wiper motor lo circuit
  • Component Function Check 1. CHECK FRONT WIPER LO OPERATION IPDM E/R AUTO ACTIVE TEST Start IPDM E/R auto active test. Refer to PCS-11, "Diagnosis Description". Check that the front wiper operates at the LO operation. CONSULT ACTIVE TEST Select "FRONT WIPER" of IPDM E/R active test item. While operating the test item, check front wiper LO operation and OFF. LO : Front wiper LO operation<>OFF : Stop the front wiper. Diagnosis Procedure 1. CHECK FRONT WIPER MOTOR (LO) OUTPUT VOLTAGE CONSULT ACTIVE TEST Turn the ignition switch OFF. Disconnect front wiper motor. Turn the ignition switch ON. Select "FRONT WIPER" of IPDM E/R active test item.

  • Front wiper motor hi circuit
  • Component Function Check 1. CHECK FRONT WIPER HI OPERATION IPDM E/R AUTO ACTIVE TEST Start IPDM E/R auto active test. Refer to PCS-11, "Diagnosis Description". Check that the front wiper operates at the HI operation. CONSULT ACTIVE TEST Select "FRONT WIPER" of IPDM E/R active test item. While operating the test item, check front wiper HI operation and OFF. HI : Front wiper HI operation<>OFF : Stop the front wiper. Diagnosis Procedure 1. CHECK FRONT WIPER MOTOR (HI) OUTPUT VOLTAGE CONSULT ACTIVE TEST Turn the ignition switch OFF. Disconnect front wiper motor. Turn the ignition switch ON. Select "FRONT WIPER" of IPDM E/R active test item.

  • Front wiper auto stop signal circuit
  • Component Function Check 1. CHECK FRONT WIPER (AUTO STOP) OPERATION CONSULT DATA MONITOR Select "WIP AUTO STOP" of IPDM E/R DATA MONITOR item. Operate the front wiper. With the front wiper operation, check the monitor status. Diagnosis Procedure 1. CHECK IPDM E/R OUTPUT VOLTAGE Turn the ignition switch OFF. Disconnect front wiper motor. Turn the ignition switch ON. Check voltage between front wiper motor harness connector and ground. 2. CHECK FRONT WIPER MOTOR (AUTO STOP) CIRCUIT CONTINUITY Turn the ignition switch OFF. Disconnect IPDM E/R connector E18. Check continuity between IPDM E/R harness connector and front wiper motor harness connector.

  • Front wiper motor ground circuit
  • Diagnosis Procedure 1.CHECK FRONT WIPER MOTOR (GND) OPEN CIRCUIT Turn the ignition switch OFF. Disconnect front wiper motor. Check continuity between front wiper motor harness connector and ground.

  • Washer switch
  • Description Washer switch is integrated with combination switch (wiper and washer switch). Combination switch (wiper and washer switch) supplies ground and fuse # 38 from the IPEM E/R suppliespower for the front washer motor to operate. Component Inspection 1. CHECK WASHER SWITCH Turn the ignition switch OFF. Disconnect combination switch (wiper and washer switch). Check continuity between the combination switch (wiper and washer switch) terminals.

  • Washer motor circuit
  • Diagnosis Procedure 1. CHECK FRONT WASHER MOTOR FUSE Turn the ignition switch OFF. Check that the following fuse is not blown. 2. CHECK FRONT WASHER MOTOR POWER SUPPLY Disconnect front washer motor. Turn ignition switch ON. Check voltage between front washer motor harness connector and ground. 3. CHECK FRONT WASHER MOTOR CIRCUIT CONTINUITY Turn the ignition switch OFF. Disconnect combination switch (wiper and washer switch). Check continuity between combination switch (wiper and washer switch) harness connector and frontwasher motor. 4. CHECK WIPER AND WASHER SWITCH GROUND CIRCUIT Check continuity between combination switch (wiper and washer switch) harness connector and ground. 5.

Diagnosis system (IPDM E/R)

Wiper and washer fuse