Multec - S (C 16 XE) F0:DATA LIST
| No. | TECH 1 Display | Conditions for Checking | Nominal Value | Trouble Codes | Terminal |
|---|---|---|---|---|---|
| 25 | A / C RELAY | Engine running at idle speed, at operating temperature | 93 | E 4 | |
| AC switch OFF | INACTIVE 12 V | ||||
| AC switch ON | ACTIVE 0 V | ||||
| Vehicle without AC | INACTIVE 12 V | ||||
| Trouble - shooting: | Nominal Value: | Cause of Fault: |
(If nominal value is not attained)
| · Test steps 23 and 24: | OK | · Carry out test steps 23 and 24 |
· Ignition OFF
· Disconnect relay K 60
· Measure voltage:
from: relay socket K 60 Ter. 86
to: ground
| less than 0.1 V | · Short circuit to voltage |
from: relay socket K 60 Ter. 86
| to: fuse F 21 | ||
|---|---|---|
| · Ignition ON | greater than 11 V | · Fuse F 21 defective |
· Lead interruption
from: fuse F 21
to: relay socket Ter. 86
· Short circuit to ground
from: fuse F 21
to: relay socket Ter. 86
· Ignition OFF
· Disconnect control unit plug K 57
· Bridge relay socket K 60
from: K 60 Ter. 86
to: K 60 Ter. 85
· Measure voltage:
from: control unit K 57 Ter. E 4
| to: ground | less than 0.1 V | · Short circuit to voltage |
from: relay socket K 60 Ter. 85
to: control unit K 57 Ter. E 4
· Ignition ON
· Measure voltage:
from: control unit K 57 Ter. E 4
to: ground
| greater than 11 V | · Lead interruption |
from: relay socket K 60 Ter. 85
to: control unit K 57 Ter, E 4
· Check plug X 4
· Short circuit to ground
from: relay socket K 60 Ter. 85
to: control unit K 57 Ter. E 4
· Ignition OFF
· Remove bridge for relay socket K 60
· Connect relay K 60
· Bridge control unit plug K 57:
from: control unit K 57 Ter. E 4
to: ground
| Relay K 60 inactive | · Short circuit to ground |
from: relay socket K 60 Ter. 85
to: control unit K 57 Ter. E 4
| · Ignition ON | Relay K 60 active | · Lead interruption |
|---|---|---|
| from: control unit K 57 Ter. E 4 |
to: relay socket Ter. 85
· Relay defective
· Check circuit for relay K 60 and compressor relay K 60 acc. applicable Air Conditioning Checking Procedures
| see Air Conditioning Checking Procedures | · Circuit in relay K 60 defective | |
|---|---|---|
| · Compressor relay K 60 defective | ||
| If nominal values are attained | ||
| · Control unit defective |