Multec - S (C 16 XE) F0:DATA LIST
| No. | TECH 1 Display | Conditions for Checking | Nominal Value | Trouble Codes | Terminal |
|---|---|---|---|---|---|
| 26 | FULL PUMP RELAY | Ignition ON | INACTIVE 12 V | 29, 32 | B 15 |
| Engine running at idle speed | ACTIVE 0 V | ||||
| Trouble - shooting: | Nominal Value: | Cause of Fault: |
(If nominal value is not attained)
In case anti - theft warning system is installed:
· Disconnect control unit K 94, anti - theft warning system
· Bridge wiring harness plug K 94:
from: plug K 94 Ter. 1 8
to: plug K 94 Ter. 1
· Ignition OFF
· Disconnect fuel pump relay K 58 from socket.
· Measure voltage:
from: socket, fuel pump relay K 58 Ter. 30
to: ground
| greater than 11 V | · Lead interruption |
from: fuel pump relay K 58 Ter. 30
to: battery +
· Short circuit in wiring harness
from: battery +
| to: ground |
· Ignition OFF
· Measure voltage:
from: fuel pump relay K 58 Ter. 86
to: ground
| less than 0.1 V | · Short circuit in wiring harness^ |
from: socket, fuel pump relay K 58 Ter. 86
| to: battery + |
· Ignition ON
· Measure voltage:
from: socket, fuel pump relay K 58 Ter. 86
to: ground
| greater than 11 V | · Lead interruption |
from: ignition lock S 1 Ter. 15
to: fuel pump relay K 58 Ter. 86
· Short circuit in wiring harness
from: fuel pump relay K 58 Ter. 86
to: ground
· Ignition OFF
· Bridge fuel pump relay socket K 58:
from: socket, fuel pump relay K 58 Ter. 86
to: socket, fuel pump relay K 58 Ter. 87
| Fuel pump OFF | |
|---|---|
| (no audible fuel flow in line) | · Short circuit in wiring harness |
from: battery +
| to: fuel pump relay K 58 Ter. 86 | |
|---|---|
| · Ignition ON | Fuel pump ON |
| (fuel flows audibly in line) | · Short circuit in wiring harness |
from: fuel pump relay K 58 Ter. 87
to: ground
· Lead interruption
from: fuel pump relay K 58 Ter. 87
to: fuel pump
· Fuse F 26 defective
· Check plug X 37
· Fuel pump M 21 defective
· Short circuit to ground
from: fuse F 26
to: fuel pump M 21
· Lead interruption
from: fuel pump M 21
to: ground
· Ignition OFF
· Bridge fuel pump relay socket K 58:
from: socket, fuel pump relay K 58 Ter. 86
to: socket, fuel pump relay K 58 Ter. 85
· Disconnect control unit K 57 wiring harness plug
· Measure voltage:
from: control unit plug Ter. B 15
to: ground
| less than 0.1 V | · Short circuit in wiring harness |
from: battery +
| to: fuel pump relay K 58 Ter. 85 |
· Ignition ON
· Measure voltage:
from: control unit plug Ter. B 15
| to: ground | greater than 11 V | · Short circuit in wiring harness |
from: fuel pump relay K 58 Ter. 85
to: ground
· Lead interruption
from: fuel pump relay K 58 Ter. 85
to: control unit plug Ter. B 15
· Ignition OFF
· Connect relay
· Bridge control unit K 57 wiring harness plug:
from: control unit plug Ter. B 15
to: ground
| Fuel pump OFF | |
|---|---|
| (no audible fuel flow in line) | · Fuel pump relay K 58 defective |
| · Ignition ON | Fuel pump ON |
(fuel flows audibly in line)
· Ignition OFF
· Connect control unit K 94, anti - theft warning system
| · Ignition ON | Fuel pump ON |
|---|---|
| (fuel flows audibly in line) | · Fault in anti - theft warning system |
(see Anti - theft Warning System Checking Procedures, 01 / 92 edition)
| If nominal values are attained |
|---|
| · Control unit defective |