Diagnostic Test

With CONSULT 

Perform self-diagnosis for "METER/M&A".

Is any error system detected?

YES 

Check the DTC. Refer to DTC INDEX .

NO 

GO TO STEP 2. 

1. Turn the ignition switch OFF.
2. Disconnect power steering control unit harness connector.
3. Disconnect combination meter harness connector.
4. Check the continuity between combination meter harness connector and power steering control unit harness connector.

   Power steering control unit		Combination meter		Continuity
   Connector	Terminal	Connector	Terminal
   M49	8	M57	39	Existed

Is the inspection result normal?

YES 

GO TO STEP 3. 

NO 

Repair or replace damaged parts.

1. Connect combination meter harness connector.
2. Check the combination meter input/output standard values. Refer to REFERENCE VALUE .

Is the inspection result normal?

YES 

GO TO STEP 4. 

NO 

Replace combination meter. Refer to REMOVAL AND INSTALLATION .

1. Connect power steering control unit harness connector.
2. Check the signal between power steering control unit harness connector and ground with oscilloscope.

   Power steering control unit		-	Condition	Value (Approx.)
   Connector	Terminal
   	+	-
   M49	8	Ground	Vehicle speed: 40 km/h (25 MPH) CAUTION: Check the air pressure of tire under standard condition.	Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES 

GO TO STEP 5. 

NO 

Replace power steering control unit. Refer to REMOVAL AND INSTALLATION .

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

Is the inspection result normal?

YES 

INSPECTION END

NO 

Repair or replace damaged parts.