F0: Data List - Test Step 27 A/c Cutoff Relay Opel Frontera A

Trouble-shooting Nominal Value: Cause of Fault:

(If nominal value is not attained)

Note:

A/C CUTOFF RELAY is actuated by the Motronic and switches the compressor off at over 6000 rpm.

· Check for passage way between 0 W

Motronic control unit Ter. 23 and

A/C CUTOFF RELAY Ter. 86

· Ignition ON

Ter. 85 (+) to ground Battery voltage · Lead interruption between

fuse F 28 and A/C CUTOFF RELAY

Ter. 85

Ter. 86 to ground · Lead interruption between

A/C CUTOFF RELAY Ter. 86 and

· Trouble codes 87, 88 see table 2 Motronic control unit Ter. 23

· Relay K 23 defective

· Control unit defective