Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side).
  - Harness connector B228
  - Harness connector B19
  Is the inspection result normal?
  
  YES: GO TO 2.
  
  NO: Repair the terminal and connector.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Disconnect the following harness connectors.
- Sliding door control unit RH
- Harness connectors B228 and B19

Check the continuity between the sliding door control unit RH harness connector and the harness connector.

TERMINAL CONTINUITY REFERENCE CHART

Sliding door control unit RH harness connector		Harness connector		Continuity
Connector No.	Terminal No.	Connector No.	Terminal No.	Continuity
B247	10	B228	2	Existed
B247	9	B228	1	Existed

Is the inspection result normal?

YES: GO TO 3.

NO: Repair the main line between the sliding door control unit RH and the harness connector B228.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Disconnect the harness connectors B89 and B530.

Check the continuity between the harness connectors.

TERMINAL CONTINUITY REFERENCE CHART

Harness connector		Harness connector		Continuity
Connector No.	Terminal No.	Connector No.	Terminal No.	Continuity
B19	2	B89	13	Existed
B19	1	B89	12	Existed

Is the inspection result normal?

YES (Present error): Check CAN system type decision again.

YES (Past error): Error was detected in the main line between the sliding door control unit RH and the driver seat control unit.

NO: Repair the main line between the harness connectors B19 and B89.