Nissan Maxima Service and Repair Manual: B2616 ignition relay circuit

Description

BCM controls the various electrical components and simultaneously supplies power according to the power supply position.

BCM checks the power supply position internally.

DTC Logic

DTC DETECTION LOGIC

Nissan Maxima. DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1. PERFORM DTC CONFIRMATION PROCEDURE

  1. Turn ignition switch ON under the following conditions, and wait for at least 1 second.
  • CVT selector lever is in the P or N position
  • Release brake pedal
  1. Check "Self diagnostic result" with CONSULT.

Diagnosis Procedure

1. CHECK IGNITION RELAY-2 POWER SUPPLY

Nissan Maxima. CHECK IGNITION RELAY-2 POWER SUPPLY

  1. Turn ignition switch OFF.
  2. Disconnect ignition relay-2.
  3. Check voltage between ignition relay-2 harness connector and ground under the following conditions.

Nissan Maxima. CHECK IGNITION RELAY-2 POWER SUPPLY

2. CHECK IGNITION RELAY-2 POWER SUPPLY CIRCUIT-1

  1. Turn ignition switch OFF.
  2. Disconnect BCM harness connector.
  3. Check continuity between ignition relay-2 harness connector and BCM harness connector.

Nissan Maxima. CHECK IGNITION RELAY-2 POWER SUPPLY CIRCUIT-1

  1. Check continuity between ignition relay-2 harness connector and ground.

Nissan Maxima. CHECK IGNITION RELAY-2 POWER SUPPLY CIRCUIT-1

3. CHECK IGNITION RELAY-2 GROUND CIRCUIT

Nissan Maxima. CHECK IGNITION RELAY-2 GROUND CIRCUIT

  1. Turn ignition switch OFF.
  2. Check continuity between ignition relay-2 harness connector and ground.

Nissan Maxima. CHECK IGNITION RELAY-2 GROUND CIRCUIT

4. CHECK IGNITION RELAY-2 POWER SUPPLY CIRCUIT-2

Nissan Maxima. CHECK IGNITION RELAY-2 POWER SUPPLY CIRCUIT-2

Check voltage between ignition relay-2 harness connector and ground

Nissan Maxima. CHECK IGNITION RELAY-2 POWER SUPPLY CIRCUIT-2

5. CHECK IGNITION RELAY-2

6. CHECK INTERMITTENT INCIDENT

Component Inspection (Ignition Relay-2)

1. CHECK IGNITION RELAY-2

Nissan Maxima. CHECK IGNITION RELAY-2

  1. Turn ignition switch OFF.
  2. Remove ignition relay-2.
  3. Check the continuity between ignition relay-2 terminals under the following conditions.

Nissan Maxima. CHECK IGNITION RELAY-2

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