Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Nissan 350Z. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM 1:

Selector lever cannot be moved from "P" position with key in ON position and brake pedal applied.
Selector lever can be moved from "P" position with key in ON position and brake pedal released.
Selector lever can be moved from "P" position when key is removed from key cylinder.

SYMPTOM 2:

Ignition key cannot be removed when selector lever is set to "P" position.
Ignition key can be removed when selector lever is set to any position except "P" position.

CHECK KEY INTERLOCK CABLE
Check the key interlock cable for damage.

OK or NG
- OK: GO TO 2.
- NG: Replace key interlock cable. Refer to "KEY INTERLOCK CABLE ".
CHECK SELECTOR LEVER POSITION
Check the selector lever position for damage. Refer to "CHECKING OF A/T POSITION ".

OK or NG
- OK: GO TO 3.
- NG: Check selector lever. Refer to "ADJUSTMENT OF A/T POSITION ".
CHECK SHIFT LOCK SOLENOID AND PARK POSITION SWITCH
1. Connect A/T device harness connector.
2. Turn ignition switch "ON". (Do not start engine.)
3. Selector lever is set in "P" position.
4. Check operation.
  
  Fig 1: Shift Lock Solenoid & Park Position Switch Operation Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: INSPECTION END
- NG: GO TO 4.
CHECK POWER SOURCE
1. Turn ignition switch "ON". (Do not start engine.)
2. Check voltage between A/T device harness connector M47 terminal 1 (Y/B) and ground. Refer to "WIRING DIAGRAM - AT - SHIFT ".
  - Voltage: Battery voltage
OK or NG
- OK: GO TO 5.
- NG: GO TO 6.
Fig 2: A/T Device Harness Connector M47 Terminal 1 (Y/B) & Ground Voltage Test
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK STOP LAMP SWITCH
Check continuity between stop lamp switch harness connector E111 terminals 3 and 4. Refer to "WIRING DIAGRAM -AT-SHIFT ".

Fig 3: Stop Lamp Switch Harness Connector E111 Terminals 3 & 4 Continuity Test
Courtesy of NISSAN MOTOR CO., U.S.A.

Check stop lamp switch after adjusting brake pedal - refer to " BRAKE PEDAL ".

OK or NG
- OK: GO TO 7.
- NG: Repair or replace damaged parts.
DETECT MALFUNCTIONING ITEM
Check the following. If any items are damaged, repair or replace damaged parts.
1. Harness for short or open between ignition switch and A/T device harness connector terminal 1
2. 10A fuse [No. 12, located in the fuse block (J/B)]
3. Ignition switch (Refer to "POWER SUPPLY ROUTING CIRCUIT ".)
OK or NG
- OK: INSPECTION END
- NG: Repair or replace damaged parts.
CHECK GROUND CIRCUIT
1. Turn ignition switch "OFF".
2. Disconnect stop lamp switch harness connector.
3. Check continuity between stop lamp switch harness connector E111 terminal 4 (B) and ground. Refer to "WIRING DIAGRAM -AT-SHIFT ".
  - Continuity should exist.
  If OK, check harness for short to ground and short to power.
4. Connect stop lamp switch harness connector.
OK or NG
- OK: GO TO 8.
- NG: Repair open circuit or short to ground or short to power in harness or connectors.
Fig 4: Stop Lamp Switch Harness Connector E111 Terminal 4 (B) & Ground Continuity Test
Courtesy of NISSAN MOTOR CO., U.S.A.
DETECT MALFUNCTIONING ITEM
Check the following. If any items are damaged, repair or replace damaged parts.
- Harness for short or open between A/T device harness connector M47 terminal 2 (P/B) and stop lamp switch harness connector E111 terminal 3 (B/Y). Refer to "WIRING DIAGRAM -AT-SHIFT ".
OK or NG
- OK: Replace shift lock solenoid or park position switch.
- NG: Repair or replace damaged parts.