|
No.
|
TECH 1-Display
|
Conditions
for Checking
|
Nominal
Value
|
Trouble
Codes
|
Terminal
|
|
14
|
A
/ C COMPRESS. SW
|
Ignition ON
|
INACTIVE 0 V
|
-
|
41,
19
|
|
|
|
|
|
|
|
|
|
|
Engine running at idle speed, operating temperature
|
INACTIVE 0 V
|
|
|
|
|
|
Vehicles with AC:
AC switch ON
Note:
Vehicle interior should be warm,
set temperature switch to "COLD" and ventilation to full load; In
some vehicles, it is necessary to accelerate briefly or to wait for a while
until the compressor has built up pressure and switches
|
ACTIVE 12 V
|
|
|
|
|
|
Vehicles without AC:
|
INACTIVE 0 V
|
|
|
|
Notes on Trouble - shooting:
|
Nominal Value:
|
Cause of Fault:
|
|
Vehicles with AC:
· Ignition OFF
· Using
multimeter, check from Motronic + auxiliary plug X 30 / Ter. 4
to control unit K 61 /
|
|
|
|
Ter. 41 for passage
|
approx. 0 W
|
· Short circuit or
lead interruption from plug to Motronic + auxiliary plug
X 30 / Ter. 4 to control unit K 61 / Ter. 41
|
|
· Using
multimeter, check from Motronic + auxiliary plug X 30 / Ter. 2
to control unit K 61 /
|
|
|
|
Ter. 40 for passage
|
approx. 0 W
|
· Short circuit or
lead interruption from Motronic control unit K 61 / Ter. 40 to
Motronic + auxiliary plug X 30 / Ter. 2
· Air conditioning
defective
· Compressor relay
K 60 defective
|
|
· Using
multimeter, check from Motronic control unit plug K 61 /
|
|
|
|
Ter. 19 to ground
|
approx. 0 W
|
· Short circuit or
lead interruption from Motronic control unit K 61 / Ter. 19 to
ground
· Control unit
K 61 defective
|
|
|
|
|
|
|
|
|
|
|
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|
