Inspection Procedure
WARNING: This page is about a different car, the 2009 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK OPERATION
- With the key in your possession, push the lock button on the door outside handle (entry lock operation). Check that the key warning light illuminates or starts blinking.
With the key in your possession, touch the inside of the door outside handle (entry unlock operation). Check that the key warning light illuminates or starts blinking.
OK : Key warning light illuminates or starts blinking.
OK : Go to step 3
NG : GO TO NEXT STEP
- With the key in your possession, push the lock button on the door outside handle (entry lock operation). Check that the key warning light illuminates or starts blinking.
- CHECK WIRE HARNESS (CERTIFICATION ECU - BODY GROUND)
- Disconnect the S11 ECU connector.
- Measure the resistance and voltage of the wire harness side connector.
Standard resistance
TESTER CONNECTION - SPECIFIED CONDITIONTester Connection Specified Condition S11-17 (E) - Body ground Below 1 Ω Standard voltage
TESTER CONNECTION - SPECIFIED CONDITIONTester Connection Specified Condition S11-1 (+B1) - Body ground 10 to 14 V
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG : REPAIR OR REPLACE HARNESS AND CONNECTOR
OK : GO TO NEXT STEP
- CHECK RESISTANCE OF COMMUNICATION LINE
- Disconnect the S11, T4 and T11 ECU connectors.
- Measure the resistance of the wire harness side connectors.
Standard resistance
TESTER CONNECTION - SPECIFIED CONDITIONTester Connection Specified Condition S11-31 (MPX1) - T4-19 (MPX1) Below 1 Ω S11-32 (MPX2) - T11-6 (MPX1) Below 1 Ω Result:
RESULTResult Proceed to Both are OK A One is OK B Both are NG C
B : REPLACE CERTIFICATION ECU AND REPAIR OR REPLACE HARNESS AND CONNECTOR
C : REPAIR OR REPLACE HARNESS AND CONNECTOR
A : REPLACE CERTIFICATION ECU