Inspection Between Data Link Connector and Driver Seat Control Unit Circuit

WARNING: This page is about a different car, the 2006 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check following terminals and connectors for damage, bend and loose connection (connector side and harness side).
  - Harness connector M12
  - Harness connector B1
OK or NG
- OK: GO TO 2.
- NG: Repair terminal or connector.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect harness connector M12.
Check continuity between data link connector (A) and harness connector (B).

CONNECTOR CONTINUITY CHART

A		B		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M8	6	M12	52J	Yes
M8	14	M12	51J	Yes

Fig 1: Identifying Continuity Between Data Link Connector (A) And Harness Connector (B)

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 3.
NG: Repair harness.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect harness connector B6.
Check continuity between harness connector and harness connector.

HARNESS CONNECTOR CONTINUITY CHART

Harness connector	Terminal	Harness connector	Terminal	Continuity
B1	52J	B6	3	Yes
B1	51J	B6	19	Yes

Fig 2: Identifying Continuity Between Harness Connector And Harness Connector

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Connect all the connectors and diagnose again. Refer to "TROUBLE DIAGNOSES WORK FLOW ".
NG: Repair harness.