Inspection Procedure
- CHECK BACK-UP LIGHT
- Move the shift lever to the R position.
- Check the back-up light.
OK: The back-up light illuminates.
NG: GO TO LIGHTING SYSTEM
OK: Go to Next Step
- CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - ECU AND BATTERY)
- Disconnect the P1 switch connector.
- Disconnect the T23 ECU connector.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
RESISTANCE SPECIFICATIONTester Connection Condition Specified Condition P1-1 (RL) - T23-3 (REV) Always Below 1 Ω P1-1 (RL) - Body ground Always 10 kΩ or higher - Measure the voltage according to the value(s) in the table below.
Standard voltage
VOLTAGE SPECIFICATIONTester Connection Switch Condition Specified Condition P1-2 (RB) - Body ground Ignition switch ON, shift lever in R position 11 to 14 V P1-2 (RB) - Body ground Ignition switch ON, shift lever in P position Below 1 V NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
OK: Go to Next Step
- INSPECT PARK/NEUTRAL POSITION SWITCH
- Disconnect the P1 switch connector.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
RESISTANCE SPECIFICATIONTester Connection Switch Condition Specified Condition P1-1 (RL) - P1-2 (RB) Shift lever in R position Below 1 Ω P1-1 (RL) - P1-2 (RB) Shift lever in P position 10 kΩ or higher NG: REPLACE PARK/NEUTRAL POSITION SWITCH
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
OK: PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )