AC-27
HVAC SYSTEM (AUTO A/C)(DIAGNOSTIC)
Diagnostic Procedure for Actuators
16
CHECK AUTO A/C CONTROL MODULE SIG-
NAL POWER SUPPLY.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from mode door
actuator.
3) Turn the ignition switch to ON.
4) Measure the voltage between mode door
actuator and chassis ground.
Connector & terminal
(B77) No. 8 (+) — Chassis ground (
−
):
Is the voltage 5 V?
17
CHECK HARNESS BETWEEN AUTO A/C
CONTROL MODULE AND MODE DOOR AC-
TUATOR.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from auto A/C
control module and mode door actuator.
3) Measure the resistance of harness
between auto A/C control module and mode
door actuator.
Connector & terminal
(i48) No. 13 — (B77) No. 8:
Is the resistance less than 1
Ω
?
Replace the auto
A/C control mod-
ule.
Repair the har-
ness between auto
A/C control mod-
ule and mode door
actuator.
18
CHECK ACTUATOR GROUND CIRCUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from auto A/C
control module.
3) Measure the resistance of harness
between auto A/C control module and mode
door actuator.
Connector & terminal
(i48) No. 16 — (B77) No. 10:
Is the resistance less than 1
Ω
?
Replace the mode
door actuator.
Repair the har-
ness between auto
A/C control mod-
ule and mode door
actuator.
19
CHECK POOR CONTACT.
Check poor contact in auto A/C control module
connector.
Is there poor contact in con-
nector?
Repair the poor
contact in auto A/C
control module.
Repair the con-
nector.
Step
Check
Yes
No
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 ...