key TOYOTA TERCEL 1996 Service Repair Manual

SS0ME-05
SS-40
- SERVICE SPECIFICATIONSBODY ELECTRICAL
170 Author
: Date
:
1996 TERCEL (RM440U)
BODY ELECTRICAL
SERVICE DATA
INTEGRATION RELAY
Key Unlock Warning System:
2 - Ground (Ignition switch LOCK or ACC)No voltage
2 - Ground (Ignition switch ON)Battery positive voltage
3 - Ground (Constant)Battery positive voltage
9 - Ground (Ignition switch LOCK or ACC)No voltage
9 - Ground (Ignition switch ON)Battery positive voltage
12 - Ground (Constant)Battery positive voltage
DAYTIME RUNNING LIGHT MAIN RELAY
2 - Ground (Ignition switch LOCK or ACC)No voltage
2 - Ground (Ignition switch ON)Battery positive voltage
18 - Ground (Ignition switch LOCK or ACC)No voltage
18 - Ground (Ignition switch ON)Battery positive voltage
4 - Ground (Constant)Battery positive voltage
6 - Ground (Constant)Battery positive voltage
10 - Ground (Constant)Battery positive voltage
11 - Ground (Engine stop)No voltage
11 - Ground (Engine running)Battery positive voltage
15 - Ground (Constant)Battery positive voltage
TURN SIGNAL FLASHER
Flashes/Minute60 - 120
SPEEDOMETER (USING A SPEEDOMETER TESTER)
Standard indication (mph)Allowable range (mph)
2018 - 24
4038 - 45
6059 - 67
8079 - 88
100100 - 110
Standard indication (km/h)Allowable range (km/h)
2016 - 26
4038 - 48
6059 - 69
8076 - 90
10096 - 110
120114 - 131
140134 - 152
160152 - 174
TACHOMETER (ON-VEHICLE)DC 13.5 V 25°C (77°F)
Standard indication (rpm)Allowable range (rpm)
700610 - 750
3,0002,850 - 3,150
5,0004,850 - 5,150
7,0006,790 - 7,210

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

DI4MQ-01
DI-196
- DIAGNOSTICSPOWER DOOR LOCK CONTROL SYSTEM
1996 TERCEL (RM440U)
PROBLEM SYMPTOMS TABLE
Perform troubleshooting of the circuits for the applicable problem symptom in the order given in the chart
below.
Proceed to the page given for each circuit.
HINT:

If the instruction ºProceed to next circuit inspection shown on matrix chartº is given in the flow chart
for each circuit, proceed to the circuit with the next highest number in the table to continue the check.


If the trouble still reappears even through there are no abnormalities in any of the other circuits, then
check and replace the Theft Deterrent and Door Lock Control ECU (Door Lock Control Relay) as the
last step.
SymptomSuspect AreaSee page
No functions of the door lock control system operate.
1. ECU power source circuit.*
2. Actuator power source circuits.
3. Door lock motor circuit.
4. Theft deterrent ECU or door lock control relay.DI-197
DI-200
DI-203
IN-26
All doors or some doors are not locked and unlocked with the
door lock control switch and door key lock and unlock switch.1. Door lock motor circuit.
2. Theft deterrent ECU or door lock control relay.DI-203
IN-26
Doors cannot be locked or unlocked with the door lock control
switch. (Doors lock and unlock normally with the door key lock
and unlock switch).1. Door lock control switch circuit.
2. Theft deterrent ECU or door lock control relay.DI-206
IN-26
Doors are not locked or unlocked with the key operated switch.
(Doors lock and unlock normally with the door lock control
switch.)1. Door key lock and unlock switch circuit.
2. Theft deterrent ECU or door lock control relay.DI-209
IN-26
Key confinement prevention function does not operate.
1. Key unlock warning switch circuit.
2. Door unlock detection switch circuit.
3. Theft deterrent ECU or door lock control relay.DI-21 1
DI-213
IN-26
*: w/ Theft Deterrent System

N12884
Theft Deterrent ECU
Door Key Lock and Unlock Switch
Driver's
J6
JUNCTION
CONNECTORID110
W-B
AID1
D6 (10)
T4 22
LOCK
UNLOCK
AA W-B
W-B
J3
JUNCTION
CONNECTOR2R-Y9
IH111
IH110 ID18
IH1 12
A
ALOCK
UNLOCK Door Key Lock and Unlock Switch
Passenger's
(G-Y) R-W
G-W
R-WW-LW-L
(R-W) W-G
(R-Y)
D6(9)
T46
D6 (11)
T4 16L2
(L1)
UL3
UL2
(UL1) W-G 3
1
3
1 2
IE
( ): w/o Theft Deterrent System W-B
- DIAGNOSTICSPOWER DOOR LOCK CONTROL SYSTEM
DI-209
1996 TERCEL (RM440U)
Door Key Lock and Unlock Switch Circuit
CIRCUIT DESCRIPTION
The door key lock and unlock switch is built in the door key cylinder. When the key is turned to the lock side,
terminal 3 of the switch is grounded and when the key is turned to the unlock side, terminal 1 of the switch
is grounded.
WIRING DIAGRAM
DI4MV-02

N15248
1 2
3
DI-210
- DIAGNOSTICSPOWER DOOR LOCK CONTROL SYSTEM
1996 TERCEL (RM440U)
INSPECTION PROCEDURE
1 Check door key lock and unlock switch.
PREPARATION:
(a) Remove the door trim and service hole cover.
(b) Disconnect the door key lock and unlock switch connec-
tor.
CHECK:
Check continuity between terminals 1, 3 and 2 or door key lock
and unlock switch connector, when door key lock and unlock
switch is turned to the lock side, unlock side and not turned.
OK:
Switch positionTester connectionSpecified condition
Lock side2 - 3Continuity
Unlock side1 - 2Continuity
OFF-No continuity
NG Replace door key lock and unlock switch.
OK
2 Check harness and connectors between ECU and switch, switch and body
ground (See page IN-26).
NG Repair or replace harness or connector.
OK
Proceed to next circuit inspection shown on
matrix chart (See page DI-196).

I10187
IEW-B
1 Key Unlock Warning Switch
2
LGT420
KSW Theft Deterrent ECU
N14675SR4824
I09773
2
1
- DIAGNOSTICSPOWER DOOR LOCK CONTROL SYSTEM
DI-21 1
1996 TERCEL (RM440U)
Key Unlock Warning Switch Circuit
CIRCUIT DESCRIPTION
The key unlock warning switch goes on when the ignition key is inserted in the key cylinder and goes off when
the ignition key is removed.
The ECU operates the key confinement prevention function while the key unlock warning switch is on.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 Check key unlock warning switch.
PREPARATION:
Disconnect key unlock warning switch connector.
CHECK:
Check continuity between terminals 1 and 2 of key unlock warn-
ing switch connector, when the key is inserted to the key cylin-
der or removed.
OK:
Switch positionTester connectionSpecified condition
ON (Key inserted)1 - 2Continuity
OFF (Key removed)-No continuity
NG Replace key unlock warning switch.
OK
DI4MW-02