Subaru Legacy 2005 Service Manual page 3524

HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
Step
7 CHECK COMMUNICATION ERROR DIS-
PLAY.
Check "Er LC" is indicated on the Odo/Trip
meter in combination meter after turning the
ignition switch to ON.
8 CHECK HARNESS CONNECTOR BETWEEN
BODY INTEGRATED MODULE AND AUTO
A/C CONTROL MODULE.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from body inte-
grated module.
3) Disconnect auto A/C control module con-
nector.
4) Measure the resistance in harness
between body integrated module and auto A/C
control module.
Connector & terminal
(B280) No. 25 — (B283) No. 11:
9 CHECK HARNESS CONNECTOR BETWEEN
BODY INTEGRATED MODULE AND AUTO
A/C CONTROL MODULE.
Measure the resistance in harness between
body integrated module and auto A/C control
module.
Connector & terminal
(B280) No. 25 — (B283) No. 1:
10 CHECK POOR CONTACT.
Check poor contact in auto A/C control module
connector.
Diagnostic Procedure for Sensors
Is the error display "Er LC" indi-
cated?
Is the resistance less than 1Ω? Go to step 9.
Is the resistance less than 1Ω? Go to step 10.
Is there poor contact in con-
nector?
AC(diag)-32
Check
Go to step 8.
Repair the con-
nector.
Yes No
Read the Diagnos-
tic Trouble Code
(DTC) for body
integrated mod-
ule, and perform
the diagnosis
according to DTC.
<Ref. to
LAN(diag)-14,
READ DIAGNOS-
TIC TROUBLE
CODE (DTC),
OPERATION,
Subaru Select
Monitor.>
Repair the open
circuit in harness
between body inte-
grated module and
auto A/C control
module. <Ref. to
LAN(diag)-5, LAN
SYSTEM, CAU-
TION, General
Description.>
Repair the open
circuit in harness
between body inte-
grated module and
auto A/C control
module. <Ref. to
LAN(diag)-5, LAN
SYSTEM, CAU-
TION, General
Description.>
Replace the A/C
control module.