July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

AWD Lock Switch Signal Circuit

CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Is a malfunction in the "CAN COMM CIRCUIT" indication in the results?

YES or NO
1. YES: Check the CAN communication line. Refer to "CAN COMMUNICATION SYSTEM ".
2. NO: GO TO 2.
CHECK AWD LOCK SWITCH SIGNAL
WITH CONSULT-II
1. Turn ignition switch "ON".
2. Select "ALL MODE 4WD" with "DATA MONITOR" mode in CONSULT-II.
3. Is it the same as "4WD MODE SW" indication when operating switch?
YES or NO
1. YES: INSPECTION END
2. NO: GO TO 3.
  
  Fig 1: Display Data Monitor
  Courtesy of NISSAN MOTOR CO., U.S.A.

CHECK AWD LOCK SWITCH

Turn ignition switch "OFF".
Disconnect AWD lock switch connector.

Check continuity between AWD lock switch connector M33 terminals 1 and 3.

DISCONNECT AWD LOCK SWITCH CONNECTOR

Switch position	Continuity
LOCK	Yes
AUTO	No

OK or NG

OK: GO TO 4.
NG: Repair AWD lock switch.

Fig 2: Checking AWD Lock Switch
Courtesy of NISSAN MOTOR CO., U.S.A.

CHECK AWD LOCK SWITCH POWER SUPPLY
1. Turn ignition switch "ON".
2. Check the voltage between the AWD lock switch connector M33 terminal 1 (R/B) and ground.
  1 (R/B) - Ground: Approx. 4V
OK or NG
1. OK: GO TO 5.
2. NG: GO TO 6.
  
  Fig 3: Checking AWD Lock Switch Poer Supply
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK GROUND CIRCUIT
1. Turn ignition switch "OFF".
2. Check continuity between the AWD lock switch connector M33 terminal 3 (B) and ground.
  3 (B) - Ground: Continuity should exist.
OK or NO
1. OK: Check the unified meter and A/C amp. Refer to UNIFIED METER & A/C AMP .
2. NG: Repair or replace the harness or connectors.
  
  Fig 4: Checking Ground Circuit
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK POWER SOURCE CIRCUIT
1. Turn ignition switch "OFF".
2. Disconnect unified meter and A/C amp. connector.
3. Check the continuity between the following terminals.
  - Unified meter and A/C amp. harness connector M55 terminal 5 (R/B) and AWD lock switch harness connector M33 terminal 1 (R/B).
    5 (BR/Y) -1 (BR/Y): Continuity should exist.
1. OK: Check the unified meter and A/C amp. Refer to UNIFIED METER & A/C AMP .
2. NG: Repair or replace the harness or connectors.
  
  Fig 5: Checking Power Source Circuit
  Courtesy of NISSAN MOTOR CO., U.S.A.