Subaru Legacy 2004 Service Manual page 482

ENGINE (DIAGNOSTICS)
• RHD model
i3
B38
B75 B72
1 1 1 2
2 2 4 5 6
Step
1 CHECK TEST MODE CONNECTOR.
1) Disconnect the test mode connectors.
2) Turn the ignition switch to ON.
2 CHECK HARNESS BETWEEN ECM CON-
NECTOR AND CHASSIS GROUNDING TER-
MINAL.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from ECM.
3) Measure the resistance of harness
between ECM connector and chassis ground.
Connector & terminal
(B135) No. 24 — Chassis ground:
Malfunction Indicator Light
IGNITION
B72
SWITCH
No.5
6
COMBINATION
METER
i10
B: B135
i10
3 1 2 3 4 5
11 12 13 14 15 16 17
B: B135
1 2 3 4 5 6
8 9 10 11 12 13 14 15 16 17 18 19
20 21 22 23 24 25
28 29 30 31 32 33
EN(H4SO 2.0)(diag)-50
SBF-7
3
1 1 2
B75 B76
1
ECM
1 2 3 4
6 7 8 9 10
10 11 12 13 14 15 16 17 18 19 20
18 19 20 21 22
7
26 27
34 35
Check
Does the malfunction indicator
light blink?
Is the resistance less than 5
&?
BATTERY
SBF-1
B83
B38 B83
5 6 7 8 9
1 2 3 4
5 6 7 8
Yes
Go to step 2.
Repair the short
circuit in harness
between ECM and
test mode connec-
tor.
E
EN-02427
No
System is in good
order.
NOTE:
Malfunction indica-
tor light blinks at a
cycle of 3 Hz when
test mode connec-
tor is connected.
Replace the ECM.
<Ref. to FU(H4SO
2.0)-34, Engine
Control Module
(ECM).>