TOYOTA TERCEL 1996 Service Repair Manual

AB0117 AB0118 AB0119H00270
LOCKACCON
or
AB0118
R14305AB0119
H00030
ACCON
or
E1
Tc
(+) (-)DLC1
DI-186
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
1996 TERCEL (RM440U)
INSPECTION PROCEDURE
HINT:
If the DTC is not displayed, do the following troubleshooting.
1 Does SRS warning light up for approx. 6 seconds?
CHECK:
Check operation of SRS warning light after ignition switch is
turned from LOCK position to ACC or ON position.
NO Check SRS warning light system.
(See page DI-180, DI-182)
YES
2 Check voltage between terminals Tc and E1 of DLC1.
PREPARATION:
Turn ignition switch to ACC or ON.
CHECK:
Measure voltage between terminals Tc and E1 of DLC1.
OK:
Voltage: 10 - 14 V
OK Go to step 4.
NG

AB0118
R14304AB0119
H00031
ACCON
orTc
(+)
(-)DLC1
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-187
1996 TERCEL (RM440U)
3 Check voltage between terminal Tc of DLC1 and body ground
CHECK:
Measure voltage between terminal Tc of DLC1 and body
ground.
OK:
Voltage: 10 - 14 V
OK Check harness between terminal E1 of DLC1
and body ground.
NG

AB0117 AB0118 AB0119
R12658H00032
LOCK
ACC
ON
or
Airbag Sensor Assembly
Tc
DI-188
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
1996 TERCEL (RM440U)
4 Check airbag sensor assembly.
PREPARATION:
(a) Turn ignition switch to LOCK.
(b) Disconnect negative (-) terminal cable from the battery,
and wait at least 90 seconds.
(c) Remove steering wheel pad (See page SR-13).
(d) Disconnect connector of front passenger airbag assem-
bly (See page RS-21).
(e) Disconnect connector of airbag sensor assembly
(See page RS-33)
(f) Insert service wire into terminal Tc from back side as
shown.
(g) Connect airbag sensor assembly connector with service
wire.
(h) Connect negative (-) terminal cable to battery.
(i) Turn ignition switch to ACC or ON and wait at least 20 se-
conds.
(j) Connect service wire of terminal Tc to body ground.
CHECK:
Check operation of SRS warning light.
OK:
SRS waning light comes on.
NOTICE:
Never make a mistake with the terminal connection posi-
tion as this will cause a malfunction.
OK Check harness between airbag sensor assem-
bly and DLC1.
NG
Replace airbag sensor assembly.

AB0117
R14303
H00033
Airbag Sensor Assembly
Tc
LOCK
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-189
1996 TERCEL (RM440U)
If the DTC is displayed without a DTC check procedure, do the following trou-
bleshooting.
1 Check resistance between terminal Tc of airbag sensor assembly and body
ground.
PREPARATION:
(a) Turn ignition switch to LOCK.
(b) Disconnect negative (-) terminal cable from the battery,
and wait at least 90 seconds.
(c) Disconnect airbag sensor assembly connector.
CHECK:
Check resistance between terminal Tc of airbag sensor assem-
bly connector and body ground.
OK:
Resistance: 1MW or higher
NG Repair or replace harness or connector.
OK
Replace airbag sensor assembly.

DI4MM-01
Customer Problem Analysis
Vehicle Brought to Workshop
Problem Symptom ConfirmationSymptom Simulation Problem does not occur
Matrix Chart of Problem Symptoms
Circuit Inspection
Identification of Problem
Repair
Confirmation Test
EndTitles inside
are titles of pages in this
manual, with the page number indicated in
the bottom portion. See the indicated pages
for detailed explanations. 1
23
4
5
7P. DI-191
P. DI-196
P. DI-197 - DI-213
Problem occurs
6
P. IN-16 DI-190
- DIAGNOSTICSPOWER DOOR LOCK CONTROL SYSTEM
364 Author
: Date
:
1996 TERCEL (RM440U)
POWER DOOR LOCK CONTROL SYSTEM
HOW TO PROCEED WITH TROUBLESHOOTING
Perform troubleshooting in accordance with the procedure on the following page.

DI4MN-01
DOOR LOCK CONTROL 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

Driver's door lock
control switch

Malfunction in Key Confinement Prevention Function.

Others.
Date Problem First Occurred

Fine
Cloudy
Rainy
Snowy

Various/Others

Hot
Warm
Cool

Cold (Approx. 5F ( 5C))
Problem Symptom

Driver's door

Passenger's door

Rear RH door

Rear LH door
Malfunction in Door Lock/Unlock
Operation Using Door Lock Control
Switch.

Passenger 's door lock
control switch
Driver's door

Passenger's door

Rear RH door

Rear LH door

Malfunction in Door Lock/Unlock
Operation Using Key.
Driver's door key lock
and unlock switch

Passenger 's door key
lock and unlock switch
Driver's door

Passenger's door

Rear RH door

Rear LH door

Driver's door

Passenger's door

Rear RH door

Rear LH door

Malfunction in Luggage Compartment Door Opener Function.
- DIAGNOSTICSPOWER DOOR LOCK CONTROL SYSTEM
DI-191
1996 TERCEL (RM440U)
CUSTOMER PROBLEM ANALYSIS CHECK

DI4MO-01
I05900
Door Lock Control Relay or
Theft Deterrent ECUIgnition Switch

Key Unlock Warning Switch
J/B No.7

POWER Fuse
Door Lock Control Switch
Door Key Lock and Unlock Switches
Engine Room R/B

DOME Fuse
Door Lock Assembly

Door Lock Motor

Door Unlock Detection SwitchDoor Courtesy Switches
Door Lock Assembly

Door Lock Motor

Door Unlock Detection Switch
Door Lock Assembly

Door Lock Motor

Door Unlock
Detection Switch
Door Courtesy Switches DI-192
- DIAGNOSTICSPOWER DOOR LOCK CONTROL SYSTEM
1996 TERCEL (RM440U)
PARTS LOCATION

DI4MP-02
I00302 I00303I00304Theft Deterrent and Door Lock Control ECU AB T3
T4
- DIAGNOSTICSPOWER DOOR LOCK CONTROL SYSTEM
DI-193
1996 TERCEL (RM440U)
TERMINALS OF ECM
w/ Theft Deterrent System
TerminalsSymbolsConditionSTD Value
A2 e A3ACT- - ACT+Ignition switch ºOFFº.Below 50 W
A4 e GroundE - GroundAlways.Below 1 W
A4 e A8E - ACCIgnition switch ºACCº.10 - 14 V
A9 e Ground+ B2 - GroundAlways.10 - 14 V
B1 e Ground+ B1 - GroundAlways.10 - 14 V
B2A4LSWR E
Door unlock detection switch ºONº.
(Rear door)Below 1 W
B2 e A4LSWR - EDoor unlock detection switch ºOFFº.
(Rear door)1 MW or higher
B3A4CTY E
Door courtesy switch ºONº.
(Except driver's door opened)Below 1 W
B3 e A4CTY - EDoor courtesy switch ºOFFº.
(Except driver's door closed)1 MW or higher
B4A4DSWL ELuggage compartment door courtesy switch ºONº.Below 1 WB4 e A4DSWL - ELuggage compartment door courtesy switch ºOFFº.1 MW or higher
B5A4L1 EDoor lock control switch ºLOCKº .Below 1 WB5 e A4L1 - EDoor lock control switch ºOFFº or ºUNLOCKº .1 MW or higher
B6A4UL3 E
Driver's door key lock and unlock switch
ºUNLOCKº.Below 1 W
B6 e A4UL3 - EDriver's door key lock and unlock switch
ºOFFº or ºLOCKº.1 MW or higher
B7A4DSWD E
Door courtesy switch ºONº.
(Driver's door opened)Below 1 W
B7 e A4DSWD - EDoor courtesy switch ºOFFº.
(Driver's door closed)1 MW or higher
B8A4UL1 EDoor lock control switch ºUNLOCKº .Below 1 WB8 e A4UL1 - EDoor lock control switch ºOFFº or ºLOCKº.1 MW or higher
B9A4LUG E
Luggage compartment door key lock
and unlock switch ºONº.Below 1 W
B9 e A4LUG - ELuggage compartment door key lock
and unlock switch ºOFFº.1 MW or higher
B10 e A4HEAD - ELight control switch other than ºHEADº.10 - 14 V
B11 e A4SH - EAlways.10 - 14 V
B12 e B1IND - +B1Indicator light ºONº.Below 1 W

DI-194
- DIAGNOSTICSPOWER DOOR LOCK CONTROL SYSTEM
1996 TERCEL (RM440U)Terminals
SymbolsConditionSTD Value
B14A4DSWH EEngine hood courtesy switch ºONº.Below 1 WB14 e A4DSWH - EEngine hood courtesy switch ºOFFº.1 MW or higher
B15A4LSWD EDoor unlock detection switch ºONº . (Driver's)Below 1 WB15 e A4LSWD - EDoor unlock detection switch ºOFFº. (Driver's)1 MW or higher
B16A4UL2 E
Door key lock and unlock switch ºUNLOCKº.
(Passenger's)Below 1 W
B16 e A4UL2 - EDoor key lock and unlock switch ºOFFº or ºLOCKº.
(Passenger's)1 MW or higher
B19A4DSWP EDoor courtesy switch ºONº. (Passenger's)Below 1 WB19 e A4DSWP - EDoor courtesy switch ºOFFº. (Passenger's)1 MW or higher
B20 e A4KSW - E
Key unlock warning switch ºONº.
(Key is inserted into key cylinder)Below 1 WB20 e A4KSW E
Key unlock warning switch ºOFFº.1 MW or higher
B21A4LSWP EDoor unlock detection switch ºONº . (Passenger's)Below 1 WB21 e A4LSWP - EDoor unlock detection switch ºOFFº. (Passenger's)1 MW or higher
B22A4L2 E
Door key lock and unlock switch ºLOCKº.
(Driver's)Below 1 W
B22 e A4L2 - EDoor key lock and unlock switch ºOFFº or ºUNLOCKº.
(Driver's)1 MW or higher
B23 e A4TAIL - ELight control switch ºOFFº.10 - 14 V
B24 e A4HORN - EHorn switch ºOFFº.10 - 14 V
B25 e A4SRLY - EIgnition switch is turned to ºSTº.
(when park / neutral position switch ºPº position)10 - 14 V

I05883Door Lock Control Relay
T6
- DIAGNOSTICSPOWER DOOR LOCK CONTROL SYSTEM
DI-195
1996 TERCEL (RM440U)
w/o Theft Deterrent System
TerminalsSymbolsConditionSTD Value
3 e 4ACT(-) - ACT(+)Ignition switch ºOFFº.Below 50 W
8 e GroundB - GroundAlways.10 - 14 V
916UL3 E
Door key lock and unlock switch ºUNLOCKº.
(Driver's)Below 1 W
9 e 16UL3 - EDoor key lock and unlock switch ºOFFº or ºLOCKº.
(Driver's)1 MW or higher
1016L1 E
Door lock control switch ºLOCKº and
door key lock and unlock switch ºLOCKº .Below 1 W
10 e 16L1 - EDoor lock control switch ºOFFº or ºUNLOCKº and door key
lock and unlock switch ºOFFº or ºUNLOCKº.1 MW or higher
1116UL1 EDoor lock control switch ºUNLOCKº .Below 1 W11 e 16UL1 - EDoor lock control switch ºOFFº or ºLOCKº.1 MW or higher
16 e GroundE - GroundAlways.Below 1 W