2001 TOYOTA HIGHLANDER warning light

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TOYOTA HIGHLANDER 2001 Service Repair Manual 01-10
- INTRODUCTIONREPAIR INSTRUCTION
10 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
1. FOR VEHICLES EQUIPPED WITH SRS AIRBAG AND SEAT BELT PRETENSIONER
HINT:
The HIGHLANDER is equipped

01-10
- INTRODUCTIONREPAIR INSTRUCTION
10 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
1. FOR VEHICLES EQUIPPED WITH SRS AIRBAG AND SEAT BELT PRETENSIONER
HINT:
The HIGHLANDER is equipped with a Supplemental Restraint System (SRS) and seat belt pretensioner.
Failure to carry out the service operations in the correct sequence could cause the SRS to unexpectedly
deploy during servicing and lead to serious injury.
Furthermore, if a mistake is made when servicing the SRS, it is possible that the SRS may fail to operate
properly. Before servicing (including removal or installation of parts, inspection or replacement), be sure to
read the following section carefully.
(a) GENERAL NOTICE
(1) Malfunction symptoms of the SRS are difficult to confirm so the Diagnostic Trouble Codes (DTCs)
become the most important source of information when troubleshooting. When troubleshooting
the SRS, always check the DTCs before disconnecting the battery (see page 05-1215).
(2) To avoid serious injury, servicing the SRS must be started at least 90 seconds after:
The ignition switch is turned to the LOCK position.
The negative (-) terminal cable is disconnected from the battery.
(The SRS is equipped with a back-up power source. If work is started within 90 seconds of dis-
connecting the negative (-) terminal cable from the battery, the SRS may deploy.)
Disconnecting the negative (-) terminal cable will erase the memory of all vehicle systems. Initial-
ize the systems after disconnecting/reconnecting the cable.
CAUTION:
Never use a back-up power source (battery or other) in an attempt to avoid erasing system memory.
The back-up power source inadvertently may inadvertently power the SRS and cause it to deploy.
(3) In minor collisions where the SRS does not deploy, the horn button assembly, instrument panel
passenger airbag assembly, front seat airbag assembly, curtain shield airbag assembly and seat
belt pretensioner should be inspected before further use of the vehicle (see pages 60-19,
60-31, 60-40, 60-46, and 61-8).
(4) Never use SRS parts from another vehicle. When replacing parts, use new parts.
(5) Before repairs, remove the airbag sensor if impacts are likely to be applied to the sensor during
repairs.
(6) Never disassemble and repair the airbag sensor assembly, horn button assembly, instrument
panel passenger airbag assembly, front seat airbag assembly, curtain shield airbag assembly
or seat belt pretensioner.
(7) Replace the center airbag sensor assembly, side airbag sensor assembly, horn button assembly
or the instrument panel passenger airbag assembly, front seat airbag assembly or curtain shield
airbag assembly if: 1) damage has occurred from being dropped, or 2) cracks, dents or other
defects in the case, bracket or connector are present.
(8) Do not directly expose the airbag sensor assembly, the horn button assembly, the instrument
panel passenger airbag assembly, front seat airbag assembly, the curtain shield airbag assem-
bly or the seat belt pretensioner to hot air or flames.
(9) Use a voltmeter/ohmmeter with high impedance (10 kW/V minimum) for troubleshooting electri-
cal circuits.
(10) Information labels are attached to the SRS components. Follow the instructions on the labels.
(11) After work on the SRS is completed, check the SRS warning light (see page 05-1207).