Diagnostic Procedure

With CONSULT-II 

1. Turn ignition switch ON. (Do not start engine.)
2. Select "SELECTION FROM MENU" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
   Fig 1: Identifying CONSULT II Display - DATA MONITOR

   
3. Check if correct selector lever position (N/P, R, D, 3, 2 or 1) is displayed as selector lever is moved into each position.

OK or NG 

OK: GO TO  5.

NG: GO TO 2.

Check TCM power supply and ground circuit. Refer to "MAIN POWER SUPPLY AND GROUND CIRCUIT ".

OK or NG 

OK: GO TO 3.

NG: Repair or replace damaged parts.

Check the following.

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

OK or NG 

OK: GO TO 4.

NG: Repair or replace damaged parts.

1. Remove control valve with TCM. Refer to "CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2 ".
2. Disconnect park/neutral position switch connector and TCM connector.
3. Check continuity between park/neutral position switch connector terminals and TCM connector terminals.
   CONNECTOR TERMINAL CONTINUITY CHART
   
   

   Item	Connector	Terminal	Continuity
   Park/neutral position switch connector	F505	1	Yes
   TCM connector	F503	13
   Park/neutral position switch connector	F505	2	Yes
   TCM connector	F503	11
   Park/neutral position switch connector	F505	3	Yes
   TCM connector	F503	12
   Park/neutral position switch connector	F505	5	Yes
   TCM connector	F503	14

   Fig 2: Checking Continuity Between Park/Neutral Position Switch Connector Terminals And TCM Connector Terminals

   
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.

OK or NG 

OK: Replace the control valve with TCM. Refer to "CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2 ".

NG: Replace open circuit or short to ground and short to power in harness or connectors.

Perform "DTC Confirmation Procedure".

• Refer to "DTC CONFIRMATION PROCEDURE ".

OK or NG 

OK: INSPECTION END 

NG: GO TO  2.