Nissan Maxima Service and Repair Manual: Power supply and ground circuit

Description

EPS system functions by ignition power supply.

Diagnosis Procedure

1.CHECK POWER SUPPLY

Nissan Maxima. CHECK POWER SUPPLY

  1. Turn the ignition switch OFF.
  2. Disconnect power steering control unit connector.
  3. Turn the ignition switch ON.
  4. Check voltage between power steering control unit connector
    M59 terminal 3 and ground.

Nissan Maxima. CHECK POWER SUPPLY

2.CHECK GROUND CIRCUIT

Nissan Maxima. CHECK GROUND CIRCUIT

  1. Turn the ignition switch OFF.
  2. Check continuity between power steering control unit connector
    M59 terminal 6 and ground.

Nissan Maxima. CHECK GROUND CIRCUIT

3.CHECK TERMINALS AND HARNESS CONNECTORS

Check power steering control unit pin terminals for damage or loose connection with harness connector.

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    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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