Diagnosis Procedure

Perform self-diagnosis. Refer to "CONSULT FUNCTION (TRANSMISSION) ".

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

YES: Check CAN communication line. Refer to "DIAGNOSIS PROCEDURE ".

NO: GO TO 2.

With CONSULT 

1. Turn ignition switch ON.
2. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "TRANSMISSION" with CONSULT.
3. Read out ON/OFF switching action of "MANU MODE SW", "NON M-MODE SW", "UP SW LEVER", "DOWN SW LEVER".

   Item name	Condition	Display Value
   MANU MODE SW	Manual shift gate position (neutral)	ON
   	Other than the above	OFF
   NON M-MODE SW	Manual shift gate position	OFF
   	Other than the above	ON
   UP SW LEVER	selector lever: +side	ON
   	Other than the above	OFF
   DOWN SW LEVER	selector lever: -side	ON
   	Other than the above	OFF

   Without CONSULT 

   Drive vehicle in the manual mode, and confirm that the actual gear position and the meter's indication of the position mutually coincide when the selector lever is shifted to the "+ (up)" or "- (down)" side (1GR <=> 5GR).

   OK or NG 

   OK: GO TO  4.

   NG: GO TO 3.

Check the following.

• Manual mode switch. Refer to "COMPONENT INSPECTION ".
• Pin terminals for damage or loose connection with harness connector.
• Open circuit or short to ground or short to power in harness or connector for A/T shift selector (manual mode switch).
• Combination meter. Refer to "METER SYSTEM: SYSTEM DESCRIPTION ".

  OK or NG 

  OK: GO TO 4.

  NG: Repair or replace damaged parts.

Perform "DTC CONFIRMATION PROCEDURE ".

OK or NG 

OK: INSPECTION END 

NG: GO TO 5.

Check TCM power supply and ground circuit. Refer to "DIAGNOSIS PROCEDURE ".

OK or NG 

OK: GO TO 6.

NG: Repair or replace damaged parts.

Check A/T assembly harness connector pin terminals for damage or loose connection with harness connector.

OK or NG 

OK: Replace control valve with TCM. Refer to "REMOVAL AND INSTALLATION ".

NG: Repair or replace damaged parts.