Page 1236 of 1897
DI164-28
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-361
517 Author: Date:
2001 AVALON (RM808U)
PROBLEM SYMPTOMS TABLE
Proceed with troubleshooting of each circuit in the table below.
SymptomSuspect AreaSee page
With the ignition switch in ACC or ON position, the SRS warning
light sometimes lights up after approx. 6 seconds have elapsed.
SRS warning light is always lit up even when ignition switch is in
the LOCK position.SRS warning light circuitDI-479
With the ignition switch in ACC or ON position, the SRS warning
light does not light up.
DTC is not displayed.
SRS warning light is always lit up at the time of DTC check pro-
cedure.Tc terminal circuitDI-484
DTC is displayed without Tc and E1 terminal connection.
Page 1237 of 1897
DI1N2-13
H01357
C6
C5C7
287 8 9 10 16 17
18A B12 3 4 5 6
11 12 15 14 13
AABB
19 20 21 22 23 24 25 26 27 1 2 3 4 5 6
7 8 9 10 11 121 2 3 4 5 6
7 8 9 10 11 12
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-359
515 Author: Date:
2001 AVALON (RM808U)
TERMINALS OF ECU
No.SymbolTerminal Name
A-Electrical Connector Check Mechanism
B-Electrical Connector Check Mechanism
C5 - 1PL-Squib (Seat Belt Pretensioner, LH)
C5 - 2PL+Squib (Seat Belt Pretensioner, LH)
C5 - 5FL+Squib (Side, LH)
C5 - 6FL-Squib (Side, LH)
C5 - 7VUPLSide Airbag Sensor (LH)
C5 - 9SSL+Side Airbag Sensor (LH)
C5 - 10SSL-Side Airbag Sensor (LH)
C5 - 12ESLSide Airbag Sensor (LH)
C6 - 3LASRS Warning Light
C6 - 4GSWBody ECU
C6 - 5IG2Power Source (IGN Fuse)
C6 - 6ACCPower Source (CIG Fuse)
C6 - 9+SRFront Airbag Sensor (RH)
C6 - 10P+Squib (Passenger)
C6 - 11P-Squib (Passenger)
C6 - 12SILDiagnosis
C6 - 13D-Squib (Driver)
C6 - 14D+Squib (Driver)
C6 - 15+SLFront Airbag Sensor (LH)
C6 - 19TcDiagnosis
C6 - 20-SRFront Airbag Sensor (RH)
C6 - 26-SLFront Airbag Sensor (LH)
C6 - 27E1Ground
Page 1246 of 1897
DI6L1-01
I13634
Theft Deterrent ECU
IND 12
3A
J5
J/C7
3G7
W-B
A
A
IGW-B
V-W V10
IC1 22
21
C9
Security Indicator
T4 J/B No. 3
W-B
DI-532
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
688 Author: Date:
2001 AVALON (RM808U)
CIRCUIT INSPECTION
Indicator Light Circuit
CIRCUIT DESCRIPTION
When the theft deterrent system is preparing to set, this circuit lights up the indicator light. When the system
has been set, it continuously turns the indicator light on for 0.75 secs. and turns it off for 1.25 secs., thus
blinking the indicator light.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 Check indicator light.
PREPARATION:
Remove combination meter.
CHECK:
Connect the positive (+) lead from the battery to terminal B22 and the negative (-) lead to terminal B21 of
combination meter connector then check indicator light comes ON.
(See combination meter on page BE-43)
NG Replace combination meter.
OK
Page 1247 of 1897
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
DI-533
689 Author: Date:
2001 AVALON (RM808U)
2 Check harness and connector between theft deterrent ECU and indicator light,
indicator light and body ground (See page IN-30).
NG Repair or replace harness or connector.
OK
Check and replace theft deterrent ECU.*1
*1: When there is a malfunction that the theft deterrent system
cannot be set, proceed to the next numbered circuit inspection
shown on problem symptom table (See page DI-531).
Page 1256 of 1897
DI01Q-10
THEFT DETERRENT SYSTEM Check Sheet
Inspector 's name:
Customer 's Name
Date of VehicleRegistration No.
Registration Year
Frame No.
Odometer Reading / /km
Mile
Weather Conditions
When Problem
Occurred Frequency Problem OccursWeather
Outdoor temperature
/ /
Constant Sometimes ( Times per day, month)
Once only Brought in
Theft deterrent system cannot be set.
Indicator light does not flash when the theft deterrent system is set.
(It stays on or does not light at all.)
Theft deterrent system
does not operate. When unlocked using the
door lock knob.
When the engine hood is
opened.
System cannot be
canceled once set. When door is unlocked using key or wireless door lock control system.
When the key is inserted in the ignition key cylinder and turned to ACC or ON
position.
(However, only when the system has never operated)
When the luggage compartment door is opened with the key.
System cannot be
canceled during warning
operation. When door is unlocked using key or wireless door lock control system.
When the key is inserted in the ignition key cylinder and turned to ACC or ON
position.
Warning operation starts when the system is set and the door or luggage compartment door is opened with
the key.
Others.
Date Problem First Occurred
Fine Cloudy Rainy Snowy
Various/Others
Hot Warm Cool
Cold (Approx. 5F ( 5C))
Problem Symptom
Malfunction
Horns only
Theft deterrent horn only
Headlights only
Taillights only
Starter cut only
Door lock operation only
DI-518
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
674 Author: Date:
2001 AVALON (RM808U)
CUSTOMER PROBLEM ANALYSIS CHECK
Page 1258 of 1897
DI6L0-01
I11668
Door Lock Assembly
Door Lock Motor
Door Unlock Detection
SwitchLuggage Compartment
Door Key Lock and
Unlock Switch
Luggage Compartment Door Lock Motor
Luggage CompartmentDoor Courtesy Switch
Theft Deterrent Horn
Enjine Room Junction Block
HORN Fuse
HORN Relay
Headlight Control Relay
Door Lock Assembly
Door Lock Motor
Door Unlock Detection
Switch
Theft Deterrent ECU
Ignition Switch
Key Unlock Warning Switch
Driver Side Junction Block
DOME Fuse
ECU-IG No.1 Fuse
ECU-IG No.2 Fuse
Taillight Control Relay
Body ECU
Engine Hood Courtesy Switch
Security Indicator
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
DI-529
685 Author: Date:
2001 AVALON (RM808U)
PARTS LOCATION
Page 1259 of 1897
DI4DL-03
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
DI-519
675 Author: Date:
2001 AVALON (RM808U)
PRE-CHECK
1. THEFT DETERRENT SYSTEM
When the system is set to the theft deterrent mode and any of
the following conditions are met, the system sounds the horns
and flashes the headlights and the taillights for approx. 1 min-
ute.
At the same time the system locks all doors (If all door are not
locked at once, the system repeats door locking operation ev-
ery 6.38 seconds during the one minute alarm time).
There are 2 modes in this system, which are active mode and
passive mode.
All initial setting are performed in active mode. It can be
switched to passive mode by specified operation. (See step 4.
CHANGING METHOD OF PASSIVE MODE)
Condition:
Any of the doors (Including the engine hood and luggage
compartment door) is unlocked or opened without the
key. *1
The battery terminal is disconnected and reconnected.
The system receives panic signal from remote keyless
entry. *2
*1: Only active arming mode.
*2: When the ignition key is not inserted in the key cylinder.
There are 4 conditions in this system which are disarming
condition, disarming preparation condition, arming condition
and alarming condition.
(a) Disarming condition:
(1) When a user is near the vehicle.
(2) When the alarming function does not operate.
(3) When theft deterrent function is not performed.
(b) Disarming preparation condition:
(1) Time from a user locks a door to be leaves the ve-
hicle.
(2) Time until transferring to disarming condition.
(3) Theft deterrent function is not performed.
(c) Arming condition:
(1) When a user leaves the vehicle completely.
(2) When theft deterrent function is possible.
Page 1260 of 1897
DI-520
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
676 Author: Date:
2001 AVALON (RM808U)
(d) Alarming condition:
Is this condition, once theft is detected, it is informed us-
ing light and sound to people around the vehicle.
Refer to the table for alarming method or time.
Horn
Al i th dSecurity hornAlarming methodHeadlight
Taillight
Alarming time60 seconds
Alarming outputContinuous 0.40 secs. (ON)
0.40 secs. (OFF)
In the arming condition when either of doors is unlocked and
with not key in the key cylinder, force lock signal is output.
