2004 SUBARU FORESTER Service Repair Manual

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Page 2065 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-41
ENGINE (DIAGNOSTIC)
Drive Cycle
4. DRIVE THE VEHICLE WITH FOLLOWING DRIVE PATTERNS
(A) Run the engine at idle for more
than 10 seconds.(D) Slowdown the vehicle to 64 km/h
(40 MPH)

Page 2066 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-42
ENGINE (DIAGNOSTIC)
Clear Memory Mode
13.Clear Memory Mode
A: OPERATION
1. SUBARU SELECT MONITOR (NORMAL
MODE)
1) On the «Main Menu» display screen, select the
{Each System Check}

Page 2067 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-43
ENGINE (DIAGNOSTIC)
Compulsory Valve Operation Check Mode
14.Compulsory Valve Operation
Check Mode
A: OPERATION
1) Prepare the Subaru Select Monitor kit. <Ref. to
EN(H4DOTC 2.5)-7,

Page 2068 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-44
ENGINE (DIAGNOSTIC)
Compulsory Valve Operation Check Mode
13) Pressing the [NO] key completes the compulso-
ry operation check mode. The display will then re-
turn to the «Actuator

Page 2069 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-45
ENGINE (DIAGNOSTIC)
Malfunction Indicator Light
15.Malfunction Indicator Light
A: PROCEDURE
B: ACTIVATION OF MALFUNCTION
INDICATOR LIGHT
1) When the ignition switch is turned to ON

Page 2070 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-46
ENGINE (DIAGNOSTIC)
Malfunction Indicator Light
3) If the diagnosis system detects a misfire which
could damage the catalyst, the malfunction indica-
tor light will blink at a cycle

Page 2071 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-47
ENGINE (DIAGNOSTIC)
Malfunction Indicator Light
C: MALFUNCTION INDICATOR LIGHT DOES NOT COME ON
DIAGNOSIS:
The malfunction indicator light circuit is open or shorted.
TROUBLE SYMPTOM

Page 2072 of 2870

SUBARU FORESTER 2004 Service Repair Manual EN(H4DOTC 2.5)-48
ENGINE (DIAGNOSTIC)
Malfunction Indicator Light
Step Check Yes No
1 CHECK OUTPUT SIGNAL FROM ECM.
1) Turn the ignition switch to ON.
2) Measure the voltage between ECM con-
nector an

EN(H4DOTC 2.5)-48
ENGINE (DIAGNOSTIC)
Malfunction Indicator Light
Step Check Yes No
1 CHECK OUTPUT SIGNAL FROM ECM.
1) Turn the ignition switch to ON.
2) Measure the voltage between ECM con-
nector and chassis ground.
Connector & terminal
(B134) No. 17 (+) — Chassis ground (
−):Is the voltage less than 1 V? Go to step 4.Go to step 2.
2 CHECK POOR CONTACT.Does the malfunction indicator
light come on when shaking or
pulling the ECM connector and
harness?Repair the poor
contact in ECM
connector.Go to step 3.
3 CHECK ECM CONNECTOR.Is the ECM connector correctly
connected?Replace the ECM.
FU(H4DOTC 2.5)-
41, Engine Con-
trol Module
(ECM).>Repair the con-
nection of ECM
connector.
4 CHECK HARNESS BETWEEN COMBINA-
TION METER AND ECM CONNECTOR.
1) Turn the ignition switch to OFF.
2) Remove the combination meter. IDI-10, Combination Meter Assembly.>
3) Disconnect the connector from ECM and
combination meter.
4) Measure the resistance of harness between
ECM and combination meter connector.
Connector & terminal
(B134) No. 17 — (i12) No. 1:Is the resistance less than 1
Ω?Go to step 5.Repair the harness
and connector.
NOTE:
In this case repair
the following:
Open circuit in
harness between
ECM and combi-
nation meter con-
nector
Poor contact in
coupling connector
5 CHECK POOR CONTACT.
Check poor contact in combination meter con-
nector.Is there poor contact in combi-
nation meter connector?Repair poor con-
tact in combination
meter connector.Go to step 6.
6 CHECK HARNESS BETWEEN COMBINA-
TION METER AND IGNITION SWITCH CON-
NECTOR.
1) Turn the ignition switch to ON.
2) Measure the voltage between combination
meter connector and chassis ground.
Connector & terminal
(i10) No. 9 (+) — Chassis ground (
−):Is the voltage more than 10 V? Replace the board
of combination
meter. 10, Combination
Meter Assembly.>Check the follow-
ing and repair if
necessary.
N
OTE:
Blown out of
fuse (No. 14)
Open or short
circuit in harness
between fuse (No.
14) and battery
terminal
Poor contact in
ignition switch con-
nector

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