Diagnosis Procedure

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DTC WITH TCM
Refer to "OBD-II DIAGNOSTIC TROUBLE CODE (DTC) ".

OK or NG

OK: GO TO 2.

NG: Repair or replace.
CHECK STARTING SYSTEM
Turn ignition switch OFF, then turn it to START.

Does starter motor operate?

Yes or No

Yes: GO TO 3.

No: Refer to "SYSTEM DIAGRAM ".
CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-I
1. Turn ignition switch OFF.
2. Disconnect A/T assembly harness connector.
3. Disconnect combination meter harness connector.
4. Check harness continuity between A/T assembly terminal 9 and combination meter terminal 39.
  Refer to WIRING DIAGRAM .
  
  Continuity should exist .
5. Also check harness for short to ground and short to power.
  OK or NG
  
  OK: GO TO 5.
  
  NG: GO TO 4.
DETECT MALFUNCTIONING PART
Check the following.
- Harness connectors F14, E5
- Harness connectors E152, M31
- Harness for open or short between A/T assembly and combination meter
  : Repair open circuit or short to ground or short to power in harness or connectors.
CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-II
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 102 and combination meter terminal 40.
  Refer to WIRING DIAGRAM .
  
  Continuity should exist .
3. Also check harness for short to ground and short to power.
  OK or NG
  
  OK: GO TO 7.
  
  NG: GO TO 6.
DETECT MALFUNCTIONING PART
Check the following.
- Harness connectors M31, E152
- Harness for open or short between ECM and combination meter
  : Repair open circuit or short to ground or short to power in harness or connectors.
CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-III
1. Check harness continuity between A/T assembly terminal 9 and TCM terminal 8.
  Refer to WIRING DIAGRAM .
  
  Continuity should exist .
2. Also check harness for short to ground and short to power.
  OK or NG
  
  OK: GO TO 8.
  
  NG: Repair open circuit or short to ground or short to power in harness or connectors.
CHECK INTERMITTENT INCIDENT
Refer to "HOW TO CHECK TERMINAL " and "INTERMITTENT INCIDENT ".

OK or NG

OK: GO TO 9.

NG: Repair or replace.
REPLACE COMBINATION METER
Refer to "REMOVAL AND INSTALLATION ".

:INSPECTION END