Inspection Procedure
- CHECK DTC
- Clear the DTCs (see DTC CHECK/CLEAR ).
- Check for DTCs again.
OK: DTC is not output.
OK: END (SYSTEM OK)
NG: Go to next step.
- CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - CERTIFICATION ECU)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Disconnect the DA main body ECU connector.
- Disconnect the L15 certification ECU connector.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
RESISTANCE REFERENCETester Connection Condition Specified Condition DA-52 (LIN1) - L15-10 (LIN) Always Below 1 Ω DA-52 (LIN1) or L15-10 (LIN) - Body ground Always 10 kΩ or higher NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step.
- CHECK MAIN BODY ECU (OPERATION)
- Temporarily replace the main body ECU with a new or normally functioning one.
- Check for DTCs again.
OK: DTC is not output.
OK: GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START (ROOM OSCILLATOR DOES NOT RECOGNIZE KEY) (See ROOM OSCILLATOR DOES NOT RECOGNIZE KEY )
NG: END (MAIN BODY ECU IS FAULTY)