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 CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to "CONSULT FUNCTION (TRANSMISSION) ".

Is any malfunction in the CAN communication indicated in the results?

YES: Check CAN communication line. Refer to U1000 CAN COMM CIRCUIT .

NO: GO TO 2.

CHECK POWER SOURCE

Turn ignition switch "ON". (Do not start engine.)

Check the voltage between tow mode switch connector M67 terminal 1 and ground.

Condition	Tow mode switch	Data (Approx.)
When ignition switch is turned to "ON".	ON	0V
When ignition switch is turned to "ON".	OFF	Battery voltage

Fig 1: Checking Voltage Between Tow Mode Switch Connector M67 Terminal 1 And Ground

Courtesy of NISSAN NORTH AMERICA, INC.

OK or NG

OK: INSPECTION END

NG: GO TO 3.

CHECK TOW MODE SWITCH

Turn ignition switch "OFF".
Disconnect tow mode switch connector.

Check continuity between tow mode switch connector M67 terminals 1 and 2.

Condition	Continuity
Tow mode switch "ON"	Yes
Tow mode switch "OFF"	No

Fig 2: Checking Continuity Between Tow Mode Switch Connector M67 Terminals 1 And 2

Courtesy of NISSAN NORTH AMERICA, INC.

OK or NG

OK: GO TO 4.

NG: Repair or replace tow mode switch.

DETECT MALFUNCTIONING ITEM
Check the following items. If any items are damaged, repair or replace damaged parts.
- Harness for short or open between combination meter connector terminal 35 and tow mode switch connector terminal 1
- Harness for short or open between tow mode switch connector terminal 2 and ground
  OK or NG
  
  OK: GO TO 5.
  
  NG: Repair or replace damaged parts.
CHECK COMBINATION METER
Check the combination meter. Refer to "WORK FLOW ".

OK or NG

OK: INSPECTION END

NO: Repair or replace damaged parts.