Inspection Procedure
- CHECK KEY CANCEL FUNCTION
- Check that the key cancel function has been set (see CUSTOMIZE PARAMETERS ).
OK: Key cancel function is set.
NG: Go to step 2
OK: END (UNSET KEY CANCEL FUNCTION)
- CHECK WIRE HARNESS (CERTIFICATION ECU - BATTERY AND BODY GROUND)
- Disconnect the E84 ECU connector.
- Measure the resistance and voltage of the wire harness side connectors.
Standard resistance
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Condition Specified Condition E84-17 (E) - Body ground Always Below 1 Ω Standard voltage
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Switch Condition Specified Condition E84-18 (IG) - Body ground Engine switch on (IG) 11 to 14 V Engine switch off Below 1 V E84-1 (+B1) - Body ground Always 11 to 14 V Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
OK: REPLACE ECU AGGREGATION BOX (CERTIFICATION ECU) (See CERTIFICATION ECU (W/ SMART KEY SYSTEM) )