1.CHECK GROUND CONNECTION

1. Turn ignition switch OFF.
2. Check ground connections B14 and B31 and ground cable connections. Refer to “Ground Inspection” in Circuit Inspection.

Is the inspection result normal?
YES >>GO TO 2.
NO >>Repair or replace damaged parts.
2.CHECK TCM OUTPUT SIGNAL CIRCUIT (PART 1)
Check voltage between TCM vehicle side harness connector terminals.

TCM vehicle side harness connector | Condition | Voltage (Approx.)
Connector | Terminal
B45 | 25 | 4 | Ignition switch ON | 5 V
Ignition switch OFF | 0 V
26 | Ignition switch ON | 5 V
Ignition switch OFF | 0 V

Is the inspection result normal?
YES>>GO TO 3.
NO >>Go to Diagnosis Procedure (GT-R certified NISSAN dealer).
3.CHECK TCM INPUT SIGNAL CIRCUIT

1. Turn ignition switch ON.
2. Check voltage between TCM vehicle side harness connector terminals.

   TCM vehicle side harness connector | Condition | Voltage (Approx.)
   Connector | Terminal
   B45 | 27 | 4 | Shift lever: P position | 0 V
   Other than the above | 5 V
   33 | Shift lever: R position | 0 V
   Other than the above | 5 V
   35 | Shift lever: N position | 0 V
   Other than the above | 5 V
   38 | Shift lever: R, N position | 0 V
   Other than the above | 5 V
   43 | Shift lever: N, A, M position | 0 V
   Other than the above | 5 V
   44 | Shift lever: A, M position | 0 V
   Other than the above | 5 V

Is the inspection result normal?
YES>>GO TO 4.
NO >>GO TO 5.
4.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
Is the inspection result normal?
YES>>GO TO 9.
NO>>Repair or replace damaged parts.
5.CHECK HARNESS BETWEEN TCM AND A/T SHIFT SELECTOR (RANGE SENSOR) (PART 1)

1. Turn ignition switch OFF.
2. Disconnect TCM harness connectors and A/T shift selector harness connector.
3. Check continuity between TCM vehicle side harness connector terminals and A/T shift selector vehicle side harness connector terminals.

   TCM vehicle side harness connector | A/T shift selector vehicle side harness connector | Continuity
   Connector | Terminal | Connector | Terminal
   B45 | 25 | B20 | 16 | Existed
   26 | 15
   27 | 5
   33 | 8
   35 | 10
   38 | 23
   43 | 21
   44 | 12

Is the inspection result normal?
YES>>GO TO 6.
NO >>Repair or replace damaged parts.
6.CHECK HARNESS BETWEEN TCM AND A/T SHIFT SELECTOR (RANGE SENSOR) (PART 2)
Check continuity between TCM vehicle side harness connector terminals and ground.

TCM vehicle side harness connector | Ground | Continuity
Connector | Terminal
B45 | 25 | Ground | Not existed
26
27
33
35
38
43
44

Is the inspection result normal?
YES>>GO TO 7.
NO >>Repair or replace damaged parts.
7.CHECK HARNESS BETWEEN A/T SHIFT SELECTOR (RANGE SENSOR) AND GROUND
Check continuity between A/T shift selector vehicle side harness connector terminals and ground.

A/T shift selector vehicle side harness connector | Ground | Continuity
Connector | Terminal
B20 | 3 | Ground | Existed
6

Is the inspection result normal?
YES>>GO TO 8.
NO >>Repair or replace damaged parts.
8.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
Is the inspection result normal?
YES>>Replace A/T shift selector assembly. Refer to Exploded View.
NO>>Repair or replace damaged parts.
9.CHECK TCM OUTPUT SIGNAL CIRCUIT (PART 2)

1. Connect TCM harness connectors.
2. Check voltage between TCM vehicle side harness connector terminals.

   TCM vehicle side harness connector | Condition | Voltage (Approx.)
   Connector | Terminal | Connector | Terminal
   B46 | 89 | B45 | 4 | Ignition switch ON | Shift lever: P position | 0 V
   Other than the above | 5 V

Is the inspection result normal?
YES>>GO TO 10.
NO >>Go to Diagnosis Procedure (GT-R certified NISSAN dealer).
10.CHECK PARK POSITION SWITCH CIRCUIT

1. Disconnect TCM harness connectors.
2. Check continuity between TCM vehicle side harness connector terminal and ground.

   TCM vehicle side harness connector | Ground | Condition | Continuity
   Connector | Terminal
   B46 | 89 | Ground | Shift lever: P position | Existed
   Other than the above | Not existed

Is the inspection result normal?
YES >>GO TO 16.
NO >>GO TO 11.
11.CHECK PARK POSITION SWITCH

1. Disconnect park position switch harness connector.
2. Check park position switch. Refer toComponent Inspection (Park Position Switch) (GT-R certified NISSAN dealer) .

Is the inspection result normal?
YES >>GO TO 12.
NO >>Repair or replace damaged parts.
12.CHECK HARNESS BETWEEN TCM AND PARK POSITION SWITCH (PART 1)
Check continuity between TCM vehicle side harness connector terminal and park position switch vehicle side harness connector terminal.

TCM vehicle side harness connector | Park position switch vehicle side harness connector | Continuity
Connector | Terminal | Connector | Terminal
B46 | 89 | B122 | 1 | Existed

Is the inspection result normal?
YES>>GO TO 13.
NO >>Repair or replace damaged parts.
13.CHECK HARNESS BETWEEN TCM AND PARK POSITION SWITCH (PART 2)
Check continuity between TCM vehicle side harness connector terminal and ground.

TCM vehicle side harness connector | Ground | Continuity
Connector | Terminal
B46 | 89 | Ground | Not existed

Is the inspection result normal?
YES>>GO TO 14.
NO >>Repair or replace damaged parts.
14.CHECK HARNESS BETWEEN PARK POSITION SWITCH AND GROUND
Check continuity between park position switch vehicle side harness connector terminal and ground.

Park position switch vehicle side harness connector | Ground | Continuity
Connector | Terminal
B122 | 2 | Ground | Existed

Is the inspection result normal?
YES>>GO TO 15.
NO >>Repair or replace damaged parts.
15.CHECK SHIFT POSITION
Check shift position. Refer to “INSPECTION” in Inspection and Adjustment.
Is the inspection result normal?
YES>>GO TO 16.
NO >>Adjust shift position. Refer to “ADJUSTMENT” in Inspection and Adjustment.
16.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
>>INSPECTION END