Inspection Procedure

1. Inspect the indicator light condition by operating the P position switch.

Result: 

1. B: Go to step   3 
2. A: GO TO NEXT STEP 

1. Disconnect the T4 connector from the transmission control ECU assy.
2. Disconnect the M11 connector from the P position switch.
3. Measure the resistance according to the value (s) in the table below.

Standard: 

Fig 1: Checking Harness And Connector (Transmission Control ECU Assy - P Position Switch)

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1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
2. OK: GO TO NEXT STEP 

REPLACE TRANSMISSION CONTROL ECU ASSY 

1. Remove the P CON MAIN fuse from the engine room R/B and J/B.
2. Check for continuity of the P CON MAIN fuse.

Standard: Continuity 

Fig 2: Identifying Location Of P CON Main Fuse

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1. NG: INSPECT FOR SHORT IN ALL COMPONENTS CONNECTED TO FUSE AND REPAIR OR REPLACE THEM IF NEEDED, AND REPLACE FUSE 
2. OK: GO TO NEXT STEP 

1. Disconnect the T4 connector from the transmission control ECU assy.
2. Measure the voltage according to the value (s) in the table below.

Standard: 

Fig 3: Inspecting Computer, Transmission Control (IND Terminal)

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1. OK: REPLACE TRANSMISSION CONTROL ECU ASSY 
2. NG: GO TO NEXT STEP 

1. Disconnect the M11 connector from the P position switch.
2. Measure the resistance according to the value (s) in the table below.

Standard: 

Fig 4: Checking Harness And Connector (Transmission Control ECU Assy - P Position Switch)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
2. OK: GO TO NEXT STEP 

1. Measure the voltage according to the value (s) in the table below.

Fig 5: Inspecting P Position Switch

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard: 

1. OK: REPLACE P POSITION SWITCH 
2. NG: GO TO NEXT STEP 

REPAIR OR REPLACE HARNESS OR CONNECTOR (P POSITION SWITCH - BATTERY)