Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 1998-2003 Approved FSM 05 theft pst
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DI-532
DIAGNOSTICS - THEFT DETERRENT SYSTEM
DI06R-05
PROBLEM SYMPTOMS TABLE
Proceed to the reference page shown in the matrix chart below for each malfunction symptom and trouble-
shoot for each circuit.
HINT:
Troubleshooting of the theft deterrent system is based on the premise that the door lock control system is
operating normally. Accordingly, before troubleshooting the theft deterrent system, first make certain that
the door lock control system is operating normally.
Details of Problem Inspecting Circuit*1 See page
1. Indicator light circuit DI-533
2. ECU power source circuit DI-535
3. Key unlock warning switch circuit DI-549
4. Back door key lock and unlock
DI-553
switch circuit
The theft deterrent system cannot be set 5. Back door courtesy switch circuit
DI-551
6. Door key lock and unlock switch
circuit DI-553
7. Door courtesy switch circuit DI-557
8. Door unlock detection switch circuit DI-555
9. Engine hood courtesy switch circuit DI-559
The indicator light does not blink when system is set Indicator light circuit DI-533
When the side doors are unlocked Door unlock detection switch circuit DI-555
When the When the back door is opened by a method The system Back door courtesy switch circuit
system is other than the key does not DI-551
set operate
When the engine hood is opened Engine hood courtesy switch circuit DI-559
Horns do not sound Horn relay circuit DI-541
Theft deterrent horn does not sound Theft deterrent horn circuit DI-538
While the system is Headlights do not flash Headlight control relay circuit DI-543
in warning operation
Taillights do not flash Taillight control relay circuit DI-545
The door is not locked in unlock condition Door unlock detection switch circuit DI-555
It is not canceled when the ignition key is turned to
Ignition switch circuit DI-547
When the ACC or ON position
system is
set It still operates when the back door is opened with the Back door key lock and unlock switch
circuit DI-553
key
System is still set even when a side door is open Door courtesy switch circuit DI-557
Horns sound Horn relay circuit DI-541
Even when the Theft deterrent horn sounds Theft deterrent horn circuit DI-538
system is not
set Headlights stay on Headlight control relay circuit DI-543
Taillights stay on Taillight control relay circuit DI-545
*1: If numbers are given to the circuit proceed with troubleshooting in the order indicated by those numbers.
2001 SIENNA (RM787U)
Author : Date : 686
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