Inspection Procedure
WARNING: This page is about a different car, the 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK OPERATION FUNCTION AFTER IGNITION SWITCH IS TURNED OFF
- If the power window operates even after either front door is opened within 45 seconds after the ignition switch is turned OFF, proceed to A.
- If the power window operates even after 45 seconds have passed after the ignition switch is turned OFF, proceed to B.
- B: REPLACE MULTIPLEX NETWORK BODY ECU
- A: GO TO NEXT STEP
- READ VALUE OF HAND-HELD TESTER
- Using the hand-held tester, check that the data list for proper functioning of the front door courtesy switches.
Standard (Multiplex network body ECU):
- OK: REPLACE MULTIPLEX NETWORK BODY ECU
- NG: GO TO NEXT STEP
- Using the hand-held tester, check that the data list for proper functioning of the front door courtesy switches.
- INSPECT FRONT DOOR COURTESY LAMP SWITCH ASSY
- Remove the courtesy lamp switch.
- Check the switch resistance.
Standard:
TERMINAL SPECIFIED CONDITIONTerminal No. Condition Specified Condition 1 - Body ground Switch pushed 10 KΩ or higher Switch free Below 1 Ω
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- NG: REPLACE FRONT DOOR COURTESY LAMP SWITCH ASSY
- OK: GO TO NEXT STEP
- CHECK WIRE HARNESS (FRONT DOOR COURTESY LAMP SWITCH ASSY -MULTIPLEX NETWORK BODY ECU)
- Disconnect the D7 or D8 lamp switch connector.
- Disconnect the B7 or B9 ECU connector.
- Check the resistance between the wire harness side connectors.
Standard:
TERMINAL SPECIFIED CONDITIONTerminal No. Specified Condition D7-1 - B9-14 (DCTY) Below 1 Ω D8-1 - B7-23 (PCTY) Below 1 Ω
- NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
- OK: REPLACE MULTIPLEX NETWORK BODY ECU