AC-15
HVAC SYSTEM (AUTO A/C)(DIAGNOSTIC)
Diagnostics for A/C System Malfunction
Step
Check
Yes
No
1
CHECK FUSE.
1) Remove the fuse No. 1, 2 and 17 from fuse
& relay box.
2) Check the condition of fuse.
Is any fuse blown-out?
Replace the fuse.
2
CHECK POWER SUPPLY FOR BLOWER
MOTOR.
1) Turn the ignition switch to ON.
2) Turn the fan speed control dial clockwise.
3) Measure the voltage between blower motor
and chassis ground.
Connector & terminal
(B87) No. 1 (+) — Chassis ground (
−
):
Is the voltage more than 8 V (at
normal temperature)?
Repair the open
circuit of blower
motor power sup-
ply line harness.
3
CHECK BLOWER MOTOR RELAY.
1) Turn the ignition switch to OFF.
2) Remove the blower motor relay.
3) Connect the battery positive (+) terminal to
terminal No. 1 of blower motor relay, and nega-
tive (
−
) terminal to terminal No. 3.
4) Measure the resistance between terminals
No. 2 and 4.
Terminals
No. 2 — No. 4:
Is the resistance less than 1
Ω
?
Replace the
blower motor relay.
4
CHECK BLOWER MOTOR.
1) Disconnect the connector from blower
motor.
2) Connect the battery positive (+) terminal to
terminal No. 1 of blower motor connector, and
negative (
−
) terminal to terminal No. 2 and No.
5.
3) Make sure the blower motor runs.
Does the blower motor run?
Replace the
blower motor.
5
CHECK POOR CONTACT.
Check poor contact in auto A/C control module
connector.
Is there poor contact in con-
nector?
Repair the con-
nector.
Replace the auto
A/C control mod-
ule.
Содержание 2004 Forester
Страница 54: ...AC 52 HVAC SYSTEM HEATER VENTILATOR AND A C General Diagnostics ...
Страница 96: ...AC 42 HVAC SYSTEM AUTO A C DIAGNOSTIC General Diagnostic Table ...
Страница 306: ...ET 10 ENTERTAINMENT Front Accessory Power Supply Socket ...
Страница 307: ...COMMUNICATION SYSTEM COM Page 1 General Description 2 2 Horn System 3 3 Horn 4 4 Horn Switch 5 ...
Страница 312: ...COM 6 COMMUNICATION SYSTEM Horn Switch ...
Страница 347: ...BODY STRUCTURE BS Page 1 General Description 2 2 Datum Points 3 3 Datum Dimensions 11 ...
Страница 356: ...BS 10 BODY STRUCTURE Datum Points 61 BS 00030 66 62 63 BS 00031 64 BS 00032 ...
Страница 380: ...IDI 18 INSTRUMENTATION DRIVER INFO Ambient Sensor ...
Страница 381: ...SEAT SE Page 1 General Description 2 2 Front Seat 6 3 Rear Seat 13 ...
Страница 436: ...SL 42 SECURITY AND LOCK Keyless Transmitter ...
Страница 446: ...SR 10 SUNROOF T TOP CONVERTIBLE TOP SUNROOF Sunroof Switch ...
Страница 453: ...EI 7 EXTERIOR INTERIOR TRIM General Description 8 COWL PANEL 1 Cowl panel 2 Cowl side panel 3 Seal EI 00724 2 1 3 2 ...
Страница 456: ...EI 10 EXTERIOR INTERIOR TRIM General Description 12 REAR GATE TRIM EI 00012 ...
Страница 532: ...CC 14 CRUISE CONTROL SYSTEM Neutral Position Switch MT model ...
Страница 571: ...CRUISE CONTROL SYSTEM DIAGNOSTIC CC H4DOTC Page 1 General Description 2 ...