Inspection Procedure
NOTE:
If the transponder key ECU assembly is replaced, register the key and ECU communication ID (See
REGISTRATION ).
- CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU - BATTERY)
- Disconnect the transponder key ECU assembly connector.
- Measure the voltage according to the value (s) in the table below.
Standard Voltage
VOLTAGE SPECIFICATIONTester Connection Condition Specified Condition E29-1 (+B) - Body ground Always 11 to 14 V E29-2 (IG) - Body ground Ignition switch off Below 1 V E29-2 (IG) - Body ground Ignition switch ON 11 to 14 V Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR, OR REPLACE FUSE
OK: Go to Next Step
- CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU - BODY GROUND)
- Measure the resistance according to the value (s) in the table below.
Standard Resistance
RESISTANCE REFERENCETester Connection Condition Specified Condition E29-16 (GND) - Body ground Always Below 1 Ω Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )
- Measure the resistance according to the value (s) in the table below.