Warning Systemss.pdf

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2002 ACCESSORIES & EQUIPMENT
Ignition Switch & Key Unlock Warning System - RAV4
BODY ELECTRICAL SYSTEM
PRECAUTION
NOTE:
Take care to observe the following precautions when performing inspections or
removal and replacement of body electrical related parts.
1.
Headlight System
Halogen bulbs have pressurized gas inside and require special handling. They can burst if scratched or
dropped. Hold a bulb only by its plastic or metal case.
Don't touch the glass part of a bulb with bare hands.
2.
SRS (Supplemental Restraint System)
The RAV4 is equipped with an SRS (Supplemental Restraint System) such as the driver airbag and front
passenger airbag, failure to carry out service operation in the correct sequence could cause the SRS to
unexpectedly deploy during servicing, possibly leading to a serious accident. Before servicing (including
removal or installation of parts, inspection or replacement), be sure to read the precautionary notices in
AIR BAG SAFETY PRECAUTIONS
.
3.
Audio System
If the negative (-) terminal cable is disconnected from the battery, the preset AM, FM1 and FM2 stations
stored in memory are erased, so be sure to note the stations and reset them after the battery terminal is
reconnected.
4.
Mobile Communication System
If the vehicle is equipped with a mobile communication system, refer to precautions in
IF VEHICLE IS
EQUIPPED WITH MOBILE COMMUNICATION SYSTEM
.
TROUBLESHOOTING
PROBLEM SYMPTOMS
IGNITION SWITCH AND KEY UNLOCK WARNING SWITCH
Symptom/Suspected Area
Ignition Switch Is Not Set To Each Position
Ignition Switch
See
Step 1 under INSPECTION
Key Unlock Warning System Does Not Operate
GAUGE Fuse
Key Unlock Warning Switch
Door Courtesy Switch
Wire Harness
FUSES & CIRCUIT BREAKERS
Step 2 under INSPECTION
INSPECTION
.....
IGNITION SWITCH AND KEY UNLOCK WARNING SWITCH
LOCATION
Fig. 1: Locating Ignition Switch & Key Unlock Warning Switch
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
INSPECTION
1.
Inspect ignition switch continuity
.
Fig. 2: Inspecting Ignition Switch Continuity
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Fig. 3: Displaying Switch Specifications
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
If continuity is not as specified, replace the switch.
2.
Inspect key unlock warning switch continuity
.
If continuity is not as specified, replace the switch.
Fig. 4: Inspecting Key Unlock Switch Continuity
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Fig. 5: Displaying Key Unlock Switch Specifications
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
3.
Inspect key unlock warning buzzer
.
Fig. 6: Displaying Key Unlock Buzzer Specifications
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Check the buzzer sound when driver's door is opened and key inserted.
If operation is not as specified, replace the combination meter (See
REMOVAL
).

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