Inspection Procedure
- CHECK WIRE HARNESS (MAIN BODY ECU - DOOR CONTROL RECEIVER)
- Disconnect the E17 ECU connector.
- Disconnect the L18 receiver connector.
- Measure the resistance of the wire harness side connectors.
Standard resistance
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Specified Condition E17-5 (RDA) - L18-2 (RDA) Below 1 Ω E17-6 (PRG) - L18-3 (PRG) E17-5 (RDA) or L18-2 (RDA) - Body ground 10 kΩ or higher E17-6 (PRG) or L18-3 (PRG) - Body ground NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
OK: Go to next step
- CHECK WIRE HARNESS (DOOR CONTROL RECEIVER - BATTERY AND BODY GROUND)
- Disconnect the L18 receiver connector.
- Measure the resistance and voltage of the wire harness side connector.
Standard resistance
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Specified Condition L18-1 (GND) - Body ground Below 1 Ω Standard voltage
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Specified Condition L18-5 (+B) - Body ground 11 to 14 V NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
OK: Go to next step
- REPLACE DOOR CONTROL RECEIVER
- Temporarily replace the door control receiver with a new or normally functioning one.
- Perform the REGISTRATION procedures (see REGISTRATION ).
- CHECK FOR DTC
- Clear the DTC (see DTC CHECK / CLEAR ).
- Recheck for DTC.
OK: DTC B1242 is not output.
NG: REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)
OK: END (DOOR CONTROL RECEIVER IS DEFECTIVE)