Reverse Signal Circuit: Procedure
- CHECK INNER REAR VIEW MIRROR ASSEMBLY
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Disconnect the S5 inner rear view mirror assembly connector.
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition S5-3 (REV) - Body ground Ignition switch ON, shift lever in R 11 to 14 V S5-3 (REV) - Body ground Ignition switch ON, shift lever in not R Below 1 V TEXT IN ILLUSTRATION*a Front view of wire harness connector
(to Inner Rear View Mirror Assembly)
NG → See step 2
OK → See step 3
- CHECK HARNESS AND CONNECTOR (INNER REAR VIEW MIRROR - PARK/NEUTRAL POSITION SWITCH)
- Disconnect the S5 inner rear view mirror assembly connector.
- Disconnect the B42 park/neutral position switch assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition S5-3 (REV) - B42-1 (RL) Always Below 1 Ω S5-3 (REV) - Body ground Always 10 kΩ or higher RESULTResult Proceed to OK (for A750E) A OK (for A750F) B NG C
B → See step 5
C → REPAIR OR REPLACE HARNESS OR CONNECTOR
A → See step 4
- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE
- REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY. Refer to REMOVAL
- REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY. Refer to REMOVAL