engine coolant TOYOTA TERCEL 1996 Service Workshop Manual

I05919
Door Courtesy Switches Seat Belt
Retractor Switch
Fuel Sender Gauge

Fuel Level Warning Switch
Engine Coolant Temperature Gauge
Low Oil Pressure Warning Switch
Park/Neutral Position SwitchDoor Courtesy Switches
BE-34
- BODY ELECTRICALCOMBINATION METER
1996 TERCEL (RM440U)

I16684
No.Wiring Connector Side
1
2
3
4
5
6
7GAUGE Fuse
10
11
12
13
1
2
3
4
5
7
8
1
2
3
4
5
6
7
8
9
10Generator
IGN Fuse
SRS Fuse
Airbag Sensor Assembly
Seat Belt Buckle Switch
Low Oil Pressure Warning Switch
Igniter
TAIL Fuse
Door Courtesy Switch
DOME Fuse
Fuel Level Warning Switch
Engine Coolant Temperature Sender Gauge
ABS ECU
ECM
O/D Off Switch
Light Control Rheostat
Ground
Headlight Dimmer Switch
Turn Signal Switch (Left) Ground
Fuel Sender Gauge
Theft Deterrent ECU
Speed Control Unit
Ground
Starter Relay
Brake Fluid Level Warning Switch
and Parking Brake Switch
Turn Signal Switch (Right) A
B
C
F
E
T: Fuel Receiver Gauge
: Engine Coolant Temperature Receiver Gauge
: Tachometer
Hi-Grade
SRS Warning Illumination Open Door Warning Hi-Beam Indicator Security Indicator Left Turn Indicator Right Turn Indicator Discharge Warning Seat Belt Warning O/D Off Indicator Brake WarningBulb Check Relay Malfunction Indicator Low Oil Pressure Warning ABS Warning Fuel Lever Warning Speed Sensor
A5 B7 A12 C2 A2
A6
B5 C9 B4 A7 B3 B1 A10 B8 B9 C7 C4
A4 A11 A13C1 C5C3 C10A3 C8C6 A1TE F BE-36
- BODY ELECTRICALCOMBINATION METER
1996 TERCEL (RM440U)

I16685
No.Wiring Connector Side
1
2
3
4
5
6
7GAUGE Fuse
10
11
12
13
1
3
4
5
7
1
2
3
4
5
6
7
8
9
10Generator
IGN Fuse
SRS Fuse
Airbag Sensor Assembly
Seat Belt Buckle Switch
Low Oil Pressure Warning Switch
Igniter
TAIL Fuse
Door Courtesy Switch
DOME Fuse
Fuel Level Warning Switch
ABS ECU
ECM
O/D Off Switch
Light Control Rheostat
Headlight Dimmer Switch
Turn Signal Switch (Left) Ground
Fuel Sender Gauge
Theft Deterrent ECU
Speed Control Unit
Ground
Starter Relay
Brake Fluid Level Warning Switch
and Parking Brake Switch
Turn Signal Switch (Right) A
B
C
F
E
T: Fuel Receiver Gauge
: Engine Coolant Temperature Receiver Gauge
: Tachometer
8
9Ground
Engine Coolant Temperature Sender Gauge
A4 A11 A13C1 C5C3 C10A3 C8C6 A1
A5 B7 A12 C2 A2
A6
B5 C9 B4 A7 B3 B1 A10 A8 A9 C7 C4
SRS Warning Illumination Open Door Warning Hi-Beam Indicator Security Indicator Left Turn Indicator Right Turn Indicator Discharge Warning Seat Belt Warning O/D Off Indicator Brake WarningBulb Check Relay Malfunction Indicator Low Oil Pressure Warning ABS Warning
Fuel Lever Warning Speed Sensor TE F Lo-Grade
- BODY ELECTRICALCOMBINATION METER
BE-37
1996 TERCEL (RM440U)

N13603
1
4
Z08045
Engine Coolant Temperature Gauge
Ignition
Switch
BatterySender
Gauge
Z07424
Engine Coolant Temperature Gauge
BatteryTest Bulb
(3.4 W)
N12804
A
BC
DE F
N12806
A B
C BE-40
- BODY ELECTRICALCOMBINATION METER
1996 TERCEL (RM440U)
(b) Submerge the switch in fuel, and check that the bulb goes
out.
If operation is not as specified, replace the sender gauge.
7. INSPECT RECEIVER ENGINE COOLANT
TEMPERATURE GAUGE OPERATION
(a) Disconnect the connector from the sender gauge.
(b) Turn the ignition switch ON, and check that the receiver
gauge needle indicates COOL.
(c) Ground terminal on the wire harness side connecter
through a 3.4 W test bulb.
(d) Turn the ignition switch ON, check that the bulb lights up
and the receiver gauge needle moves to the hot side.
If operation is as specified, replace the sender gauge. Then, re-
check the system.
If operation is not as specified, measure the receiver gauge re-
sistance.
8. INSPECT ENGINE COOLANT TEMPERATURE
RECEIVER GAUGE RESISTANCE
Measure the resistance between terminals.
w/ Tachometer:
Between terminalsResistance (W)
D - EApprox. 51.0
D - FApprox. 148.6
E - FApprox. 199.6
w/o Tachometer:
Between terminalsResistance (W)
A - BApprox. 54.0
A - CApprox. 175.7
B - CApprox. 229.7
HINT:
Connect the test leads so that the current from the ohmmeter
can flow according to the above order. This circuit includes the
diode.

AC1HH-04
AC-16
- AIR CONDITIONINGTROUBLESHOOTING
1168 Author
: Date
:
1996 TERCEL (RM440U)
TROUBLESHOOTING
PROBLEM SYMPTOMS TABLE
Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely
cause of the problem. Check each part in order. If necessary, replace these parts.
SymptomSuspect AreaSee page
No blower operation
2. Heater main relay
3. Blower motor
4. Blower resistor
5. Blower speed control switchAC-62
AC-55
AC-56
AC-71
No air temperature control1. Inspect engine coolant volume
2. A/C control lever-
AC-72
No compressor operation
1. Refrigerant volume
2. A/C Fuse
3. Magnetic clutch relay
4. Magnetic clutch
5. Compressor
6. Pressure switch
7. Heater main relay
8. A/C switch
9. Blower speed control switch
10.A/C amplifier
11. Thermistor
12.Wiring and wiring connectionsAC-3
-
AC-63
AC-40
AC-36
AC-59
AC-59
AC-62
AC-71
AC-66
AC-57
-
Compressor operates intermittently
1. Refrigerant volume
2. Refrigerant cooling system
3. Pressure switch
4. A/C amplifier
5. Thermistor
6. Wiring and wiring connectionsAC-3
-
AC-59
AC-66
AC-57
-
No condenser fan operation
1. Condenser fan fuse
2. Engine main relay
3. Cooling fan relay No.1
4. Cooling fan relay No.2
5. Cooling fan relay No.3
6. Magnetic clutch relay
7. Condenser fan motor
8. Pressure switch
9. Water temperature switch
10.A/C amplifier-
CO-33
AC-64
AC-64
AC-64
AC-63
AC-65
AC-59
-
AC-66
No cool air comes out
1. Refrigerant volume
2. Drive belt
3. Magnetic clutch
4. Compressor
5. Refrigeration controlAC-3
AC-18
AC-40
AC-36
-
Cool air comes out intermittently
1. Refrigerant Volume
2. Drive belt
3. A/C amplifier
4. Expansion valve
5. Evaporator
6. Thermistor
7. Wiring and wiring connectionAC-3
AC-18
AC-66
AC-54
AC-52
AC-57
-
Cool air comes out only at high engine rpm
1. Refrigerant volume
2. Drive belt
3. Inspect refrigerant linesAC-3
AC-18
-

- AIR CONDITIONINGTROUBLESHOOTING
AC-17
1169 Author
: Date
:
1996 TERCEL (RM440U) Insufficient cooling
1. Refrigerant volume
2. Drive belt
3. Refrigerant cooling system
4. A/C amplifier
5. Refrigerant lines
6. ThermistorAC-3
AC-18
-
AC-66
-
AC-57
No engine idle up when A/C switch on
1. Idle air control (IAC) valve
2. A/C amplifier
3. Wiring and wiring connections-
AC-66
-
No warm air comes out
1. Engine coolant volume
2. A/C control lever adjustment
3. Heater radiator-
AC-73
AC-31

AC1CG-04
AC2884
Hose Clip
Heater Radiator
Pipe
Water Hose
InsulatorLeft Side
of Vehicle
N12242
AC-32
- AIR CONDITIONINGHEATER UNIT
1996 TERCEL (RM440U)
REMOVAL
1. REMOVE COOLING UNIT
(See page AC-27)
2. DRAIN ENGINE COOLANT FROM RADIATOR
HINT:
It is not necessary to drain out all the coolant.
3. DISCONNECT WATER HOSES FROM HEATER RA-
DIATOR PIPES
HINT:

Push the water hose onto the heater radiator pipe as far
as the ridge on the pipe.

Install the hose clip in a position, as shown in the illustra-
tion.
4. REMOVE PIPE GROMMETS
5. REMOVE INSTRUMENT PANEL SAFETY PAD AND
REINFORCEMENT (See page BO-48)
6. REMOVE HEATER UNIT
Remove the 2 nuts and the heater unit.
7. REMOVE HEATER RADIATOR
(a) Remove the screw and clamp.
(b) Pull out the heater radiator.