Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Forester 1999-2004 Approved Subaru Forester 2004 5 - Body Instrumentation Driver Info Combination Meter System
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COMBINATION METER SYSTEM
INSTRUMENTATION/DRIVER INFO
2. Combination Meter System
A: WIRING DIAGRAM
1. COMBINATION METER
2. OUTSIDE TEMPERATURE INDICATOR
IDI-3
COMBINATION METER SYSTEM
INSTRUMENTATION/DRIVER INFO
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
Speedometer does not operate. (1) (MT model) Vehicle speed sensor MT model:
AT model:
Tachometer does not operate. (1) ECM
Fuel gauge does not operate. (1) Fuel level sensor
Water temperature gauge does not operate. (1) Engine coolant temperature sensor
Outside temperature indicator does not operate. (1) Ambient sensor
IDI-4
COMBINATION METER SYSTEM
INSTRUMENTATION/DRIVER INFO
2. CHECK POWER SUPPLY AND GROUND CIRCUIT
Step Check Yes No
1 CHECK POWER SUPPLY FOR COMBINA- Is the voltage more than 10 V? Go to step 2. Check the harness
TION METER. for open or short
1) Remove the combination meter. nation meter.
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 (-):
2 CHECK POWER SUPPLY FOR COMBINA- Is the voltage more than 10 V? Go to step 3. Check the harness
TION METER. for open or short
Measure the voltage between combination between fuse and
meter connector and chassis ground. combination
Connector & terminal meter.
(i10) No. 8 (+) -- Chassis ground (-):
3 CHECK GROUND CIRCUIT OF COMBINA- Is the resistance less than 10 Replace the com- Repair the wiring
TION METER. ? bination meter harness.
1) Turn the ignition switch to OFF. printed circuit.
2) Measure the resistance of harness
between combination meter connector and
chassis ground.
Connector & terminal
(i10) No. 10 -- Chassis ground:
3. CHECK VEHICLE SPEED SENSOR
Step Check Yes No
1 CHECK VEHICLE SPEED SENSOR. Is the voltage 1 V 5 V? Check the speed- Go to step 2.
1) Lift-up the vehicle and support it with safety ometer.
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 (-):
2 CHECK VEHICLE SPEED SENSOR POWER Is the voltage more than 10 V? Go to step 3. Check the harness
SUPPLY. for open or short
1) Turn the ignition switch to OFF. between ignition
2) Disconnect the vehicle speed sensor har- switch and vehicle
ness connector. speed sensor.
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 (-):
IDI-5
COMBINATION METER SYSTEM
INSTRUMENTATION/DRIVER INFO
Step Check Yes No
3 CHECK HARNESS BETWEEN VEHICLE Is the resistance less than 10 Go to step 4. Repair the wiring
SPEED SENSOR AND ENGINE GROUND. ? harness.
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:
4 CHECK HARNESS BETWEEN VEHICLE Is the resistance less than 10 Replace the vehi- Repair the wiring
SPEED SENSOR AND COMBINATION ? cle speed sensor. harness.
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:
4. CHECK TRANSMISSION CONTROL MODULE (TCM)
Step Check Yes No
1 CHECK TCM SIGNAL. Is the voltage 1 V 5 V? Go to step 2. Check TCM.
1) Lift-up the vehicle and support it with safety
Warning:
Be careful not to get caught in the running
wheels.
3) Measure the voltage between TCM con-
nector and chassis ground.
Connector & terminal
(B55) No. 13 (+) -- Chassis ground (-):
2 CHECK HARNESS BETWEEN TCM AND Is the resistance less than 10 Check the speedo Repair the wiring
COMBINATION METER. ? meter.
combination meter.
3) Measure the resistance between TCM har-
ness connector and combination meter har-
ness connector.
Connector & terminal
(B55) No. 13 -- (i10) No. 12:
IDI-6
COMBINATION METER SYSTEM
INSTRUMENTATION/DRIVER INFO
5. CHECK ENGINE CONTROL MODULE (ECM)
Step Check Yes No
1 CHECK ECM SIGNAL. Is the voltage 0 V 14 V? Go to step 2. Check ECM.
1) Start the engine.
(B135) No. 27 (+) -- Engine ground (-):
2 CHECK HARNESS BETWEEN COMBINA- Is the resistance less than 10 Check the tachom- Repair the wiring
TION METER AND ECM. ? eter.
combination meter.
3) Measure the resistance between ECM har-
ness connector and combination meter har-
ness connector.
Connector & terminal
Non-turbo model
(B137) No. 10 -- (i10) No. 12:
Turbo model
(B135) No. 27 -- (i10) No. 12:
6. CHECK FUEL LEVEL SENSOR
Step Check Yes No
1 CHECK FUEL LEVEL SENSOR. Is the resistance 0.5 to 2.5 Go to step 2. Replace the fuel
1) Remove the fuel level sensor.
2) Measure the resistance between fuel level
sensor terminals when setting the float to
FULL and EMPTY position.
Terminals
No. 2 -- No. 3:
2 CHECK FUEL SUB LEVEL SENSOR. Is the resistance 0.5 to 2.5 Go to step 3. Replace the fuel
1) Remove the fuel sub level sensor.
2) Measure the resistance between fuel sub
level sensor terminals when setting the float to
FULL and EMPTY position.
Terminals
No. 1 -- No. 2:
3 CHECK HARNESS BETWEEN FUEL SUB Is the resistance less than 10 Go to step 4. Repair the wiring
LEVEL SENSOR AND COMBINATION ? harness.
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:
IDI-7
COMBINATION METER SYSTEM
INSTRUMENTATION/DRIVER INFO
Step Check Yes No
4 CHECK HARNESS BETWEEN FUEL LEVEL Is the resistance less than 10 Go to step 5. Repair the wiring
SENSOR AND FUEL SUB LEVEL SENSOR. ? harness.
Measure the resistance between fuel level sen-
sor harness connector terminal and fuel sub
level sensor harness connector terminal.
Connector & terminal
(R58) No. 3 -- (R59) No.2:
5 CHECK FUEL LEVEL SENSOR GROUND Is the resistance less than 10 Check the fuel Repair the wiring
CIRCUIT. ? gauge.
Connector & terminal
(R58) No. 2 -- Chassis ground:
7. CHECK ENGINE COOLANT TEMPERATURE SENSOR
Step Check Yes No
1 CHECK ENGINE COOLANT TEMPERATURE Is the engine coolant tempera- Go to step 2. Replace the
SENSOR. ture sensor OK? engine coolant
Check the engine coolant temperature sen- temperature sen-
sor.
2 CHECK HARNESS BETWEEN ENGINE Is the resistance less than 10 Go to step 3. Repair the wiring
COOLANT TEMPERATURE SENSOR AND ? harness.
COMBINATION METER.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from engine cool-
ant temperature sensor and combination
meter.
3) Measure the resistance between engine
coolant temperature sensor harness connector
and combination meter harness connector.
Connector & terminal
(E8) No. 3 -- (i11) No. 10:
3 CHECK WATER TEMPERATURE GAUGE Is the resistance less than 10 Check the water Repair the wiring
GROUND CIRCUIT. ? temperature harness.
Measure the resistance between combination gauge.
8. CHECK OUTSIDE TEMPERATURE INDICATOR
Step Check Yes No
1 CHECK POWER SUPPLY FOR AMBIENT Is the voltage more than 4 V? Go to step 3. Go to step 2.
SENSOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from outside
temperature sensor.
3) Turn the ignition switch to ON.
4) Measure the voltage between outside tem-
perature sensor harness connector terminal
and chassis ground.
Connector & terminal
(F78) No. 2 (+) -- Chassis ground (-):
IDI-8
COMBINATION METER SYSTEM
INSTRUMENTATION/DRIVER INFO
Step Check Yes No
2 CHECK HARNESS BETWEEN AMBIENT Is the resistance less than 10 Replace the com- Repair the wiring
SENSOR AND COMBINATION METER. ? bination meter harness.
1) Turn the ignition switch to OFF. printed circuit.
2) Disconnect the connector from combination
meter.
3) Measure the resistance between ambient
sensor harness connector terminal and combi-
nation meter harness connector terminal.
Connector & terminal
(F78) No. 1 -- (i10) No. 25:
(F78) No. 2 -- (i10) No. 24:
3 CHECK AMBIENT SENSOR. Is the ambient sensor OK? Go to step 4. Replace the ambi-
1) Remove the ambient sensor. ent sensor.
2) Check the ambient sensor.
4 CHECK OUTSIDE TEMPERATURE INDICA- Does the outside temperature Repair the poor Replace the com-
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