|
No.
|
TECH 1 Display
|
Conditions for
Checking
|
Nominal Value
|
Trouble Codes
|
Terminal
|
|
|
11
|
A / C INFORMAT. SW
|
Ignition On
Engine running at idle speed, operating temperature
Vehicles with AC:
AC switch On
Vehicles without AC:
|
INACTIVE
0 V
INACTIVE
0 V
ACTIVE
12 V
INACTIVE
0 V
|
-
|
31, 19
|
|
|
Note: The lead to Ter.
31 in control unit K69 is present in all vehicles but is open on
the vehicle side in vehicles without AC.
|
|
Notes on Trouble - shooting:
|
Nominal Value:
|
Cause of Fault:
|
|
|
Vehicles without AC:
· Using
multimeter, measure voltage at wiring harness plug
- X8 /
Ter. 3 (Astra - F)
- X11 /
Ter. 2 (Vectra / Cavalier, Calibre)
- X30 /
Ter. 4 (Omega - B)
to ground,
ignition On.
Vehicles with AC:
|
0 V
|
· Short
circuit to + battery voltage
|
|
|
· Engine
running at idle speed. Using multimeter, measure voltage at wiring harness
plug
- X8 /
Ter. 3 (Astra - F)
- X11 /
Ter. 2 (Vectra / Cavalier, Calibre)
- X30 /
Ter. 4 (Omega - B)
to ground,
|
|
|
|
|
AC switch Off
AC switch On
|
0 V
12 V
|
· Fault
in AC switch - on circuit
· Lead
has short circuit to + battery voltage
· Fault
in AC switch - on circuit
· Lead
interruption to AC switch
· Short
circuit to ground in lead to AC switch - on circuit
|
|
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