2004 SUBARU FORESTER Service Repair Manual

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Page 2073 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-49
ENGINE (DIAGNOSTIC)
Malfunction Indicator Light
D: MALFUNCTION INDICATOR LIGHT DOES NOT GO OFF
DIAGNOSIS:
The malfunction indicator light circuit is shorted.
TROUBLE SYMPTOM:
Althoug

Page 2074 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-50
ENGINE (DIAGNOSTIC)
Malfunction Indicator Light
E: MALFUNCTION INDICATOR LIGHT DOES NOT BLINK AT A CYCLE OF 3 Hz
DIAGNOSIS:
The malfunction indicator light circuit is open or shor

Page 2075 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-51
ENGINE (DIAGNOSTIC)
Malfunction Indicator Light
Step Check Yes No
1 CHECK STATUS OF MALFUNCTION INDI-
CATOR LIGHT.
1) Turn the ignition switch to OFF.
2) Disconnect the test mode con

Page 2076 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-52
ENGINE (DIAGNOSTIC)
Malfunction Indicator Light
F: MALFUNCTION INDICATOR LIGHT REMAINS BLINKING AT A CYCLE OF 3
Hz
DIAGNOSIS:
Test mode connector circuit is shorted.
TROUBLE SYMPTOM

Page 2077 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-53
ENGINE (DIAGNOSTIC)
Malfunction Indicator Light
Step Check Yes No
1 CHECK TEST MODE CONNECTOR.
1) Disconnect the test mode connectors
2) Turn the ignition switch to ON.Does the malfu

Page 2078 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-54
ENGINE (DIAGNOSTIC)
Diagnostics for Engine Starting Failure
16.Diagnostics for Engine Starting Failure
A: PROCEDURE
1. Check for fuel amount.
↓
2. Inspection of starter motor circu

Page 2079 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-55
ENGINE (DIAGNOSTIC)
Diagnostics for Engine Starting Failure
B: STARTER MOTOR CIRCUIT
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H4DOT

Page 2080 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-56
ENGINE (DIAGNOSTIC)
Diagnostics for Engine Starting Failure
Step Check Yes No
1 CHECK BATTERY.
Check the battery voltage.Is the voltage more than 12 V? Go to step 2.Charge or replace

EN(H4DOTC 2.5)-56
ENGINE (DIAGNOSTIC)
Diagnostics for Engine Starting Failure
Step Check Yes No
1 CHECK BATTERY.
Check the battery voltage.Is the voltage more than 12 V? Go to step 2.Charge or replace
the battery.
2 CHECK OPERATION OF STARTER MOTOR.Does the starter motor oper-
ate?Check ECM power
supply and ground
line. EN(H4DOTC 2.5)-
57, CHECK
POWER SUPPLY
AND GROUND
LINE OF ENGINE
CONTROL MOD-
ULE (ECM), Diag-
nostics for Engine
Starting Failure.>Go to step 3.
3 CHECK INPUT SIGNAL FOR STARTER MO-
TOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from starter
motor.
3) Turn the ignition switch to START.
4) Measure the power supply voltage between
starter motor connector terminal and engine
ground.
Connector & terminal
(B14) No. 1 (+) — Engine ground (
−):
NOTE:
For AT model, shift the select lever to “P” or
“N” range.
For MT model, depress the clutch pedal.Is the voltage more than 10 V? Go to step 4.Go to step 5.
4 CHECK GROUND CIRCUIT OF STARTER
MOTOR.
1) Turn the ignition switch to OFF.
2) Disconnect the terminal from starter motor.
3) Measure the resistance of ground cable
between ground cable terminal and engine
ground.Is the resistance less than 5
Ω?Check the starter
motor. SC(H4SO)-6,
Starter.>Repair open circuit
of ground cable.
5 CHECK HARNESS BETWEEN BATTERY
AND IGNITION SWITCH CONNECTOR.
1) Disconnect the connector from ignition
switch.
2) Measure the power supply voltage between
ignition switch connector and chassis ground.
Connector & terminal
(B72) No. 1 (+) — Chassis ground (
−):Is the voltage more than 10 V? Go to step 6.Repair open circuit
in harness
between ignition
switch and bat-
tery, and check
fuse SBF No. 4
and SBF No. 1.
6 CHECK IGNITION SWITCH.
1) Disconnect the connector from ignition
switch.
2) Measure the resistance between ignition
switch terminals while turning the ignition
switch to START.
Te r m i n a l s
No. 1 — No. 3:Is the resistance less than 5
Ω?Repair the poor
contact in ignition
switch.Replace the igni-
tion switch.

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