Diagnostic Procedure

With CONSULT-II 

1. Turn ignition switch ON.
2. Select "SELECTION FROM MENU" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
3. Check if correct selector lever position (N/P, R or D) is displayed as selector lever is moved into each position.
   CONSULT-II REFERENCE CHART
   
   

   Item name	Condition	Display value
   SLCT LVR POSI	Selector lever in "N", "P" positions.	N/P
   	Selector lever in "R" position.	R
   	Selector lever in "D" position.	D

   Fig 1: Checking PNP SW Circuit

   

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.
   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: Measuring Continuity Between Park/Neutral 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.