Inspection Procedure
- CHECK BUZZER
- Operate the buzzer and check that the buzzer for seat belt warning and key reminder warning sound normally.
Result:
BUZZER REFERENCEAll buzzer does not sound. A Seat belt warning does not sound. B Key reminder warning does not sound. C B: Go to step 2
C: Go to step 4
A: REPLACE COMBINATION METER ASSY (See ON-VEHICLE INSPECTION )
- INSPECT FRONT SEAT INNER BELT ASSY (DRIVER SIDE)
- Disconnect the F7 connector.
- Measure the resistance according to the value(s) in the table shown in FRONT SEAT INNER BELT ASSY (DRIVER SIDE) TERMINAL RESISTANCE .
Standard:
FRONT SEAT INNER BELT ASSY (DRIVER SIDE) TERMINAL RESISTANCETester connection Condition Specified condition F7-1 - F7-2 Seat belt is fastened Below 1 Ω F7-1 - F7-2 Seat belt is not fastened 10 kΩ or higher Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE FRONT SEAT INNER BELT ASSY (DRIVER SIDE)
OK: Go to next step
- CHECK HARNESS OR CONNECTOR (BETWEEN FRONT SEAT INNER BELT ASSY (DRIVER SIDE) AND COMBINATION METER ASSY) (See HOW TO PROCEED WITH TROUBLESHOOTING
)
- Disconnect the C6 and F7 connectors.
- Measure the resistance according to the value(s) in the table shown in FRONT SEAT INNER BELT ASSY (DRIVER SIDE) AND COMBINATION METER TERMINAL RESISTANCE .
Standard:
FRONT SEAT INNER BELT ASSY (DRIVER SIDE) AND COMBINATION METER TERMINAL RESISTANCETester connection Condition Specified condition C6-5 - F7-2 Always Below 1 Ω C6-5 - Body ground Always 10 kΩ or higher F7-1 - Body ground Always Below 1 Ω Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: REPLACE COMBINATION METER ASSY (See ON-VEHICLE INSPECTION )
- INSPECT COMBINATION METER ASSY
- Disconnect the C6 connector.
- Measure the resistance according to the value(s) in the table shown in COMBINATION METER ASSY TERMINAL RESISTANCE .
Standard:
COMBINATION METER ASSY TERMINAL RESISTANCETester connection Condition Specified condition C6-7 Body ground Ignition key is not inserted 10 kΩ or higher C6-7 Body ground Ignition key is inserted Below 1 Ω NG: Go to step 6
OK: Go to next step
- INSPECT COMBINATION METER ASSY
- Disconnect the C6 connector.
- Measure the resistance according to the value(s) in the table shown in COMBINATION METER ASSY TERMINAL RESISTANCE .
Standard:
COMBINATION METER ASSY TERMINAL RESISTANCETester connection Condition Specified condition C6-8- Body ground Driver side door is open Below 1 Ω C6-8- Body ground Driver side door is closed 10 kΩ or higher NG: Go to step 7
OK: REPLACE COMBINATION METER ASSY (See ON-VEHICLE INSPECTION )
- INSPECT UNLOCK WARNING SWITCH ASSY
- Disconnect the U1 connector.
- Measure the resistance according to the value(s) in the table shown in UNLOCK WARNING SWITCH ASSY TERMINAL RESISTANCE .
Standard:
UNLOCK WARNING SWITCH ASSY TERMINAL RESISTANCETester connection Condition Specified condition U1-1 - U1-2 Ignition key is inserted Below 1 Ω U1-1 - U1-2 Ignition key is not inserted 10 kΩ or higher Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE UNLOCK WARNING SWITCH ASSY
OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (UNLOCK WARNING SWITCH CIRCUIT)
- INSPECT FRONT DOOR COURTESY LAMP SWITCH ASSY
- Disconnect the D9 connector.
- Measure the resistance according to the value(s) in the table shown in FRONT DOOR COURTESY LAMP SWITCH ASSY TERMINAL RESISTANCE .
Standard:
FRONT DOOR COURTESY LAMP SWITCH ASSY TERMINAL RESISTANCETester connection Condition Specified condition D9-1 - Body ground Driver side courtesy switch shaft is pushed in 10 kΩ or higher D9-1 - Body ground Driver side courtesy switch shaft is free Below 1 Ω Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE FRONT DOOR COURTESY LAMP SWITCH ASSY
OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (FRONT DOOR COURTESY LAMP SWITCH CIRCUIT)