Inspection Procedure
- INSPECT OUTER MIRROR CONTROL ECU (POWER SOURCE)
- Disconnect the R27 (R28) connector.
- Measure the voltage and resistance according to the value(s) in the table below.
Outer mirror control ECU LH:
Standard voltage
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Condition Specified Condition R27-3 (BDR) - Body ground Always 10 to 14 V R27-7 (CPUB) - Body ground Always 10 to 14 V R27-8 (SIG) - Body ground Ignition switch ON 10 to 14 V Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard resistance
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Condition Specified Condition R27-1 (GND) - Body ground Always Below 1 Ω Outer mirror control ECU RH:
Standard voltage
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Condition Specified Condition R28-3 (BDR) - Body ground Always 10 to 14 V R28-7 (CPUB) - Body ground Always 10 to 14 V R28-8 (SIG) - Body ground Ignition switch ON 10 to 14 V Standard resistance
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Condition Specified Condition R28-1 (GND) - Body ground Always Below 1 Ω NG: REPAIR OR REPLACE WIRE HARNESS
OK: REPLACE OUTER MIRROR CONTROL ECU