Page 361 of 2870

GW-31
GLASS/WINDOW/MIRROR
Rear Window Defogger
17.Rear Window Defogger
A: INSPECTION
CAUTION:
When wiping stain on glass off with cloth, use a
dry and soft cloth and move it in the direction of
heat wire extension to avoid damage to heat
wire.
1) Turn the ignition switch to ON.
2) Turn the defogger switch to ON.
3) Wrap the tips of tester pins with aluminum foil to
avoid damage to heat wire.
4) Measure the voltage at wire center with DC volt-
meter.
Standard voltage:
Approx. 6 V
NOTE:
If the measured value is 12 volts, heat wire is
open between wire center and positive (+) end.
If zero volt, heat wire is open between wire cen-
ter and ground. 5) Apply positive lead of voltmeter to positive terminal
of heat wire, and then move the negative lead along
the wire up to negative terminal end. If voltage chang-
es from zero to several volts during movement of
lead, heat wire is open at the voltage change point.
B: REPAIR
1) Clean the broken portion with alcohol or white
gasoline.
2) Mask both side of wire with thin film.
3) Apply conductive silver composition (DUPONT
No. 4817) to broken portion.
4) After repair, check the wire.
(1) Tester probe
(2) Tin foil
(3) Heat wire
(4) PRESS
(1) Center
Voltage Criteria
Approx. 6 V OK
Approx. 12 V or 0 V Broken
GW-00076
(2)(3) (4)
(1)
GW-00077
(1)
(1) Broken portion
(2) Masking thin film
(3) Broken wire
(4) Conductive silver composition (DUPONT No.
4817)
GW-00078
(2)(3)
(4)
(1)
Page 385 of 2870
INSTRUMENTATION/DRIVER INFO
IDI
Page
1. General Description ....................................................................................2
2. Combination Meter System .........................................................................3
3. Combination Meter Assembly ...................................................................10
4. Speedometer.............................................................................................13
5. Tachometer ...............................................................................................14
6. Fuel Gauge ...............................................................................................15
7. Water Temperature Gauge .......................................................................16
8. Ambient Sensor.........................................................................................17
Page 386 of 2870

IDI-2
INSTRUMENTATION/DRIVER INFO
General Description
1. General Description
A: SPECIFICATION
B: CAUTION
Be careful not to damage meters and instrument panel.
Be careful not to damage meter glasses.
Make sure that electrical connector is connected securely.
After installation, make sure that each meter operates normally.
Use gloves to avoid damage and getting fingerprints on the glass surface and meter surfaces.
Do not apply excessive force to the printed circuit.
Do not drop or otherwise apply impact.
C: PREPARATION TOOL
1. GENERAL TOOL
Combination meterSpeedometer Electric pulse type
Temperature gauge Cross coil type
Fuel gauge Cross coil type
Tachometer Electric pulse type
Turn signal indicator light 14 V — 2 W
Charge indicator light 14 V — 1.4 W
Oil pressure indicator light LED
ABS warning light 14 V — 1.4 W
Malfunction indicator light LED
HI-beam indicator light 14 V — 2 W
Door open warning light LED
Seat belt warning light LED
Brake fluid and parking brake warning
light14 V — 2 W
FWD indicator light LED
AIRBAG warning light LED
Meter illumination light 14 V — 3.4 W, 14 V — 2 W
AT OIL TEMP. warning light LED
LO indicator light LED
HOLD indicator light LED
Immobilizer indicator light LED
Rear differential oil temperature warn-
ing light14 V — 2 W
Cruise indicator light 14 V — 1.4 W
Rear fog light indicator light 14 V — 2 W
POWER indicator light 14 V — 1.4 W
Low fuel warning light LED
AT select lever position indicator light 14 V — 100 mA
LCD back light 14 V — 1.4 W
TOOL NAME REMARKS
Circuit tester Used for measuring resistance and voltage.
Page 387 of 2870
IDI-3
INSTRUMENTATION/DRIVER INFO
Combination Meter System
2. Combination Meter System
A: WIRING DIAGRAM
1. COMBINATION METER
2. OUTSIDE TEMPERATURE INDICATOR
Page 388 of 2870

IDI-4
INSTRUMENTATION/DRIVER INFO
Combination Meter System
B: INSPECTION
CAUTION:
When measuring voltage and resistance of the ECM, TCM, or each sensor, use a tapered pin with a
diameter of less than 0.64 mm (0.025 in) in order to avoid poor contact. Do not insert the pin more
than 2 mm (0.08 in).
1. SYMPTOM CHART
Symptom Repair order Reference
Combination meter assembly does not operate. (1) Power supply
(2) Ground circuit
POWER SUPPLY AND
GROUND CIRCUIT,
INSPECTION, Combi-
nation Meter System.>
Speedometer does not operate. (1) (MT model) Vehicle speed sensor
(AT model) TCM
(2) Harness
(3) SpeedometerMT model:
5, CHECK VEHICLE
SPEED SENSOR,
INSPECTION, Combi-
nation Meter System.>
AT model:
6, CHECK TRANSMIS-
SION CONTROL MOD-
ULE (TCM),
INSPECTION, Combi-
nation Meter System.>
Tachometer does not operate. (1) ECM
(2) Harness
(3) Tachometer
ENGINE CONTROL
MODULE (ECM),
INSPECTION, Combi-
nation Meter System.>
Fuel gauge does not operate. (1) Fuel level sensor
(2) Harness
(3) Fuel gauge
FUEL LEVEL SEN-
SOR, INSPECTION,
Combination Meter
System.>
Water temperature gauge does not operate. (1) Engine coolant temperature sensor
(2) Harness
(3) Water temperature gauge
ENGINE COOLANT
TEMPERATURE SEN-
SOR, INSPECTION,
Combination Meter
System.>
Outside temperature indicator does not operate. (1) Ambient sensor
(2) Harness
(3) Combination meter
OUTSIDE TEMPERA-
TURE INDICATOR,
INSPECTION, Combi-
nation Meter System.>
Page 389 of 2870

IDI-5
INSTRUMENTATION/DRIVER INFO
Combination Meter System
2. CHECK POWER SUPPLY AND GROUND CIRCUIT
3. CHECK VEHICLE SPEED SENSOR
Step Check Yes No
1 CHECK POWER SUPPLY FOR COMBINA-
TION METER.
1) Remove the combination meter.
IDI-10, REMOVAL, Combination Meter
Assembly.>
2) Disconnect the combination meter harness
connector.
3) Turn the ignition switch to ON.
4) Measure the voltage between combination
meter connector and chassis ground.
Connector & terminal
(i10) No. 9 (+) — Chassis ground (
−):Is the voltage more than 10 V? Go to step 2.Check the harness
for open or short
between ignition
switch and combi-
nation meter.
2 CHECK POWER SUPPLY FOR COMBINA-
TION METER.
Measure the voltage between combination
meter connector and chassis ground.
Connector & terminal
(i10) No. 8 (+) — Chassis ground (
−):Is the voltage more than 10 V? Go to step 3.Check the harness
for open or short
between fuse and
combination
meter.
3 CHECK GROUND CIRCUIT OF COMBINA-
TION METER.
1) Turn the ignition switch to OFF.
2) Measure the resistance of harness
between combination meter connector and
chassis ground.
Connector & terminal
(i10) No. 10 — Chassis ground:Is the resistance less than 10
Ω?Replace the com-
bination meter
printed circuit.Repair the wiring
harness.
Step Check Yes No
1 CHECK VEHICLE SPEED SENSOR.
1) Lift-up the vehicle and support it with rigid
racks.
2) Remove the combination meter with har-
ness connector.
3) Drive the vehicle at a speed greater than 20
km/h (12 MPH).
Warning:
Be careful not to get caught in the running
wheels.
4) Measure the voltage between combination
meter connector and chassis ground.
Connector & terminal
(i10) No. 12 (+) — Chassis ground (
−):Is the voltage 1 V ← → 5 V? Check the speed-
ometer.
IDI-13, INSPEC-
TION, Speedome-
ter.>Go to step 2.
2 CHECK VEHICLE SPEED SENSOR POWER
SUPPLY.
1) Turn the ignition switch to OFF.
2) Disconnect the vehicle speed sensor har-
ness connector.
3) Turn the ignition switch to ON.
4) Measure the voltage between vehicle
speed sensor connector and engine ground.
Connector & terminal
(B17) No. 3 (+) — Engine ground (
−):Is the voltage more than 10 V? Go to step 3.Check the harness
for open or short
between ignition
switch and vehicle
speed sensor.
Page 390 of 2870

IDI-6
INSTRUMENTATION/DRIVER INFO
Combination Meter System
4. CHECK TRANSMISSION CONTROL MODULE (TCM)
3 CHECK HARNESS BETWEEN VEHICLE
SPEED SENSOR AND ENGINE GROUND.
1) Turn the ignition switch to OFF.
2) Measure the resistance between vehicle
speed sensor connector and engine ground.
Connector & terminal
(B17) No. 2 — Engine ground:Is the resistance less than 10
Ω?Go to step 4.Repair the wiring
harness.
4 CHECK HARNESS BETWEEN VEHICLE
SPEED SENSOR AND COMBINATION
METER.
1) Disconnect the connector from combination
meter.
2) Measure the resistance between vehicle
speed sensor harness connector and combi-
nation meter harness connector.
Connector & terminal
(B17) No. 1 — (i10) No. 12:Is the resistance less than 10
Ω?Replace the vehi-
cle speed sensor.Repair the wiring
harness.
Step Check Yes No
1 CHECK TCM SIGNAL.
1) Lift-up the vehicle and support it with rigid
racks.
2) Drive the vehicle faster than 10 km/h (6
MPH).
Warning:
Be careful not to get caught in the running
wheels.
3) Measure the voltage between TCM con-
nector and chassis ground.
Connector & terminal
(B56) No. 17 (+) — Chassis ground (
−):Is the voltage 1 V ← → 5 V? Go to step 2.Check TCM.
to 4AT(H4SO)-2,
Basic Diagnostic
Procedure.>
2 CHECK HARNESS BETWEEN TCM AND
COMBINATION METER.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from TCM and
combination meter.
3) Measure the resistance between TCM har-
ness connector and combination meter har-
ness connector.
Connector & terminal
(B56) No. 17 — (i10) No. 12:Is the resistance less than 10
Ω?Check the speedo
meter.
13, INSPECTION,
Speedometer.>Repair the wiring
harness. Step Check Yes No
Page 391 of 2870

IDI-7
INSTRUMENTATION/DRIVER INFO
Combination Meter System
5. CHECK ENGINE CONTROL MODULE (ECM)
6. CHECK FUEL LEVEL SENSOR
Step Check Yes No
1 CHECK ECM SIGNAL.
1) Start the engine.
2) Measure the voltage between ECM con-
nector and engine ground.
Connector & terminal
Non-turbo model
(B134) No. 10 (+) — Engine ground (
−):
Turbo model
(B134) No. 23 (+) — Engine ground (
−):Is the voltage 0 V ← → 14 V? Go to step 2.Check ECM.
to EN(H4SO)-2,
Basic Diagnostics
Procedure.>
to EN(H4DOTC)-2,
Basic Diagnostics
Procedure.>
2 CHECK HARNESS BETWEEN COMBINA-
TION METER AND ECM.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from ECM and
combination meter.
3) Measure the resistance between ECM har-
ness connector and combination meter har-
ness connector.
Connector & terminal
Non-turbo model
(B134) No. 10 — (i10) No. 11:
Turbo model
(B134) No. 23 — (i10) No. 11:Is the resistance less than 10
Ω?Check the tachom-
eter.
14, INSPECTION,
Tachometer.>Repair the wiring
harness.
Step Check Yes No
1 CHECK FUEL LEVEL SENSOR.
1) Remove the fuel level sensor.
FU(H4SO)-57, REMOVAL, Fuel Level Sen-
sor.>
2) Measure the resistance between fuel level
sensor terminals when setting the float to
FULL and EMPTY position.
Te r m i n a l s
No. 3 — No. 5:Is the resistance 0.5 to 2.5 Ω
(FULL) and 50 to 52 Ω
(EMPTY)?Go to step 2.Replace the fuel
level sensor.
2 CHECK FUEL SUB LEVEL SENSOR.
1) Remove the fuel sub level sensor.
FU(H4SO)-58, REMOVAL, Fuel Sub Level
Sensor.>
2) Measure the resistance between fuel sub
level sensor terminals when setting the float to
FULL and EMPTY position.
Te r m i n a l s
No. 1 — No. 2:Is the resistance 0.5 to 2.5 Ω
(FULL) and 42 to 44 Ω
(EMPTY)?Go to step 3.Replace the fuel
sub level sensor.
3 CHECK HARNESS BETWEEN FUEL SUB
LEVEL SENSOR AND COMBINATION
METER.
1) Disconnect the connector from combination
meter.
2) Measure the resistance between fuel sub
level sensor harness connector terminal and
combination meter harness connector termi-
nal.
Connector & terminal
(R59) No. 1 — (i11) No. 1:Is the resistance less than 10
Ω?Go to step 4.Repair the wiring
harness.