IM-13
IMMOBILIZER (DIAGNOSTIC)
Diagnostics Chart for Immobilizer Warning Light
Step
Check
Yes
No
1
CHECK POWER SUPPLY CIRCUIT.
1) Disconnect the harness connector from key
warning switch.
2) Measure the voltage between key warning
switch harness connector terminal and chassis
ground.
Connector & terminal
(B74) No. 2 (+) — Chassis ground (
−
):
Is the voltage more than 10 V? Go to step
Check the harness
for open or short
between key warn-
ing switch and
fuse.
2
CHECK KEY WARNING SWITCH.
1) Insert the ignition key to the ignition switch.
(OFF or ACC position)
2) Measure the resistance between key warn-
ing switch connector terminals.
Terminal
No. 1 — No. 2:
Is the resistance less than 1
Ω
?
Replace the key
warning switch.
3
CHECK KEY WARNING SWITCH.
1) Remove the ignition key from the ignition
switch.
2) Measure the resistance between key warn-
ing switch connector terminals.
Terminal
No. 1 — No. 2:
Is the resistance more than
1 M
Ω
?
Replace the key
warning switch.
4
CHECK HARNESS BETWEEN KEY WARN-
ING SWITCH AND IMM ECM.
1) Disconnect the harness connector from key
warning switch.
2) Disconnect the harness connector from
IMM ECM.
3) Measure the resistance between key warn-
ing switch harness connector terminal and
IMM ECM harness connector terminal.
Connector & terminal
(B74) No. 1 — (B141) No. 4:
Is the resistance less than 10
Ω
?
Replace the IMM
ECM <Ref. to SL-
37, Immobilizer
Control Module.>
and then replace
all ignition keys
(including the tran-
sponder). Then
perform teaching
operation. Refer to
teaching opera-
tion manual (Pub.
No. S0820GZ).
Repair the har-
ness between key
warning switch
and IMM ECM.
Summary of Contents for 2004 Forester
Page 54: ...AC 52 HVAC SYSTEM HEATER VENTILATOR AND A C General Diagnostics ...
Page 96: ...AC 42 HVAC SYSTEM AUTO A C DIAGNOSTIC General Diagnostic Table ...
Page 306: ...ET 10 ENTERTAINMENT Front Accessory Power Supply Socket ...
Page 312: ...COM 6 COMMUNICATION SYSTEM Horn Switch ...
Page 347: ...BODY STRUCTURE BS Page 1 General Description 2 2 Datum Points 3 3 Datum Dimensions 11 ...
Page 356: ...BS 10 BODY STRUCTURE Datum Points 61 BS 00030 66 62 63 BS 00031 64 BS 00032 ...
Page 380: ...IDI 18 INSTRUMENTATION DRIVER INFO Ambient Sensor ...
Page 381: ...SEAT SE Page 1 General Description 2 2 Front Seat 6 3 Rear Seat 13 ...
Page 436: ...SL 42 SECURITY AND LOCK Keyless Transmitter ...
Page 446: ...SR 10 SUNROOF T TOP CONVERTIBLE TOP SUNROOF Sunroof Switch ...
Page 456: ...EI 10 EXTERIOR INTERIOR TRIM General Description 12 REAR GATE TRIM EI 00012 ...
Page 532: ...CC 14 CRUISE CONTROL SYSTEM Neutral Position Switch MT model ...
Page 571: ...CRUISE CONTROL SYSTEM DIAGNOSTIC CC H4DOTC Page 1 General Description 2 ...