Multec- S X 14 XE / X 16 XE (L) F0:DATA LIST
| No. | TECH 1 Display | Conditions for Checking | Nominal Value | Trouble Codes | Terminal |
|---|---|---|---|---|---|
| 12 | FUEL PUMP RELAY | Ignition ON | |||
| Engine running at idle speed | INACTIVE 12V | ||||
| ACTIVE 0V | 28, 29, 32 | A12 | |||
| Notes on Trouble-shooting: | Nominal Value: | Cause of fault: |
(If nominal value is not attained)
· Ignition OFF
· Disconnect from base:
K58 fuel pump relay K12 secondary air injection relay
· Disconnect wiring harness plug:
X10 plug, engine & injectors L2 direct ignition module Y15 secondary air injection solenoid valve Y34 tank vent solenoid valve Y18 exhaust gas recirculation solenoid valve (Astra- F)
· Using multimeter, measure voltage
from: K58 base of fuel pump relay Ter. 4
to: ground
| higher than 11 V | · Short circuit to ground or circuit interruption |
from: K58 base of fuel pump relay Ter. 4
to: K57 wiring harness plug for engine control unit Ter. A6
| to: battery +, Ter. 30 |
· Using multimeter, measure voltage
from: K58 base of fuel pump relay Ter. 2
| to: ground | lower than 0.1 V | · Short circuit to voltage |
from: K58 base of fuel pump relay Ter. 2
to: K57 wiring harness plug for engine control unit Ter. E16, F3
to: L2 plug of direct ignition module Ter. 1
to: S1 ignition lock Ter. 15
to: X10 plug, engine & injectors Ter. 15 (Corsa- B, Tigra)
to: Y18 exhaust gas recirculation solenoid valve Ter. E (Astra- F)
to: Y34 tank vent solenoid valve Ter. B (Astra- F)
to: P47 camshaft sensor Ter. A (Astra- F)
· S1 ignition lock defective
· Ignition ON
· Using multimeter, measure voltage
from: K58 base of fuel pump relay Ter. 2
to: ground
| higher than 11 V |
|---|
| · Short circuit to ground or circuit interruption |
from: K58 base of fuel pump relay Ter. 2
to: K57 wiring harness plug for engine control unit Ter. E16, F3
to: L2 plug of direct ignition module Ter. 1
to: S1 ignition lock Ter. 15
to: X10 plug, engine & injectors Ter. 15 (Corsa- B, Tigra)
to: Y18 exhaust gas recirculation solenoid valve Ter. E (Astra- F)
to: Y34 tank vent solenoid valve Ter. B (Astra- F)
to: P47 camshaft sensor Ter. A (Astra- F)
· S1 ignition lock defective
· Using multimeter, measure voltage
from: K58 base of fuel pump relay Ter. 6
| to: ground | lower than 0.1 V | · Short circuit to voltage |
from: K58 base of fuel pump relay Ter. 6
to: K57 wiring harness plug for engine control unit Ter. A12
· Using multimeter, measure voltage
from: K58 base of fuel pump relay Ter. 8
| to: ground | lower than 0.1 V |
|---|---|
| · Short circuit to voltage |
from: K58 base of fuel pump relay Ter. 8
to: Y15 secondary air injection solenoid valve Ter. 1
to: Y34 tank vent solenoid valve Ter. B
to: K12 base of secondary air injection solenoid valve Ter. 4
to: M21 fuel pump
to: X10 plug, engine & injectors Ter. 8 (Corsa- B, Tigra)
to: X10 plug, engine & injectors Ter. 7 (Astra- F)
to: Y18 exhaust gas recirculation solenoid valve Ter. E (Astra- F)
to: P47 camshaft sensor Ter. A (Astra- F)
· Ignition OFF
· Connect test lamp:
from: K58 base of fuel pump relay Ter. 2
to: K58 base of fuel pump relay Ter. 6
· Ignition ON
· Using TECH 1, carry out:
F5:ACTUATOR TEST FUEL PUMP REL.
· TECH 1 data list no. 12 FUEL PUMP RELAY
· Ignition OFF
· Bridge wiring harness plug:
from: K58 base of fuel pump relay Ter. 2
to: K58 base of fuel pump relay Ter. 8
| alternating: |
test lamp ON
ACTIVE 0V
and
test lamp OFF
INACTIVE 12V
| · Short circuit to ground or circuit interruption |
from: K58 base of fuel pump relay Ter. 6
to: K57 wiring harness plug for engine control unit Ter. A12
| · K57 engine control unit defective | ||
|---|---|---|
| · Ignition ON | M21 fuel pump ON | · F26 fuse defective (Corsa- B, Tigra) |
· F2 fuse defective (Astra- F)
· Fault in anti- theft warning system (see Anti- theft Warning System Checking Procedures)
· Short circuit to ground
from: K58 base of fuel pump relay Ter. 8
to: Y15 secondary air injection solenoid valve Ter. 1
to: K12 base of secondary air injection relay Ter. 4
to: M21 fuel pump Ter. A
to: P32 oxygen sensor Ter. A
to: X10 plug, engine & injectors Ter. 8 (Corsa- B, Tigra)
to: Y34 tank vent solenoid valve Ter. B (Corsa- B, Tigra)
to: X10 plug, engine & injectors Ter. 7 (Astra- F)
to: K57 wiring harness plug for engine control unit Ter. F3 (Astra- F)
| · Circuit interruption |
from: M21 fuel pump Ter. B
to: battery - , Ter. 31
· M21 fuel pump defective
· K57 engine control unit defective (Astra- F)
| If nominal values are attained | · K58 fuel pump relay defective |