Multec - S (C 16 XE) F0:DATA LIST
| No. | TECH 1 Display | Conditions for Checking | Nominal Value | Trouble Codes | Terminal |
|---|---|---|---|---|---|
| 24 | A / C LOAD SIGNAL | Engine running at idle speed, at operating temperature | - | F8 | |
| AC switch ON | ACTIVE 12 V | ||||
| Accelerate | INACTIVE 0 V | ||||
| Vehicle without AC | INACTIVE 0 V | ||||
| Trouble - shooting: | Nominal Value: | Cause of Fault: |
(If nominal value is not attained)
| · Test step 23: | OK | · Carry out test 23 |
· Ignition OFF
· Disconnect wiring harness plug X 4
· Bridge plug X 4:
from: X 4 Ter. 2 (control unit side)
to: battery voltage Ter. 30
| · Ignition ON | ACTIVE 0 V | · Lead interruption |
from: control unit plug K 57 Ter. F 6
to: plug X 4 Ter. 2
· Short circuit to ground
from: control unit plug K 57 Ter. F 6
to: plug X 4 Ter. 2
· Control unit defective
· Ignition OFF
· Connect wiring harness plug X 4
· Disconnect wiring harness plug from switch S 109 (engine speed increase)
· Bridge wiring harness plug S 109 (engine speed increase)
from: S 109 Ter. 1
to: S 109 Ter. 2
· Ignition ON
· AC switch ON
| ACTIVE 0 V | |
|---|---|
| Radiator fan M 4 operating | · Lead interruption |
from: combi - pressure switch S 20
to: plug X 4 Ter. 2
· Short circuit to ground
from: combi - pressure switch S 20
to: plug X 4 Ter. 2
· Control unit defective
| · AC switch OFF | INACTIVE 12 V |
|---|---|
| Radiator fan M 4 not operating | · Short circuit to voltage |
from: combi - pressure switch S 20 Ter. 2
to: plug X 4 Ter. 2
| If nominal values are attained | · Switch S 109 (engine speed increase) defective |