TCM Self-diagnostic Procedure (No Tools)

WARNING: This page is about a different car, the 2004 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

CHECK O/D OFF INDICATOR LAMP
1. Move A/T selector lever to "P" position.
  Start the engine.
  
  Warm engine to normal operating temperature.
2. Turn ignition switch to "OFF" position.
3. Wait 5 seconds.
4. Turn ignition switch to "ON" position.
  (Do not start engine.)
5. Does O/D OFF indicator lamp come on for about 2 seconds?
Fig 1: Moving A/T Selector Lever To "P" Position
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Identifying O/D Off Indicator Lamp (With And Without Tachometer)
Courtesy of NISSAN MOTOR CO., U.S.A.

Yes or No
1. Yes: GO TO 2.
2. No: GO TO "1. O/D OFF INDICATOR LAMP DOES NOT COME ON ".
JUDGEMENT PROCEDURE STEP 1
1. Turn ignition switch to "OFF" position.
2. Turn ignition switch to "ACC" position.
3. Move A/T selector lever from "P" to "D" position.
  
  Fig 3: Moving A/T Selector Lever From "P" To "D" Position
  Courtesy of NISSAN MOTOR CO., U.S.A.
4. Turn ignition switch to "ON" position.
  (Do not start engine.)
5. Depress and hold overdrive control switch (the O/D OFF indicator lamp will be "ON") until directed to release the switch.
  If O/D OFF indicator lamp does not come on, go to "21. TCM SELF-DIAGNOSIS DOES NOT ACTIVATE {PARK/NEUTRAL POSITION (PNP), OVERDRIVE CONTROL AND THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR] SWITCHES CIRCUIT CHECKS} ".
6. Turn ignition switch to "OFF" position.
7. Turn ignition switch to "ON" position.
  (Do not start engine.)
8. Release the overdrive control switch (the O/D OFF indicator lamp will be "OFF").
9. Wait 2 seconds.
10. Move A/T selector lever to "2" position.
  
  Fig 4: Moving A/T Selector Lever To "2" Position
  Courtesy of NISSAN MOTOR CO., U.S.A.
11. Depress and release the overdrive control switch (the O/D OFF indicator lamp will be "ON").
12. Depress and hold the overdrive control switch (the O/D OFF indicator lamp will be "OFF") until directed to release the switch.
  1. GO TO 3.
JUDGEMENT PROCEDURE STEP 2
1. Move A/T selector lever to "1" position.
  
  Fig 5: Moving A/T Selector Lever To "1" Position
  Courtesy of NISSAN MOTOR CO., U.S.A.
2. Release the overdrive control switch.
3. Depress and release the overdrive control switch (the O/D OFF indicator lamp will be "ON").
4. Depress and release the overdrive control switch (the O/D OFF indicator lamp will be "OFF").
5. Depress and hold the overdrive control switch (the O/D OFF indicator lamp will be "ON") until directed to release the switch.
6. Depress accelerator pedal fully and release.
7. Release the overdrive control switch (the O/D OFF indicator lamp will begin to flash "ON" and "OFF").
  1. GO TO 4.
Fig 6: Depressing Accelerator Pedal
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK SELF-DIAGNOSIS CODE
Check O/D OFF indicator lamp. Refer to "JUDGEMENT OF SELF-DIAGNOSIS CODE ".

Fig 7: Checking O/D Off Indicator Lamp
Courtesy of NISSAN MOTOR CO., U.S.A.
1. DIAGNOSIS END