|
No.
|
TECH 1 Display
|
Conditions for
Checking
|
Nominal Value
|
Trouble Codes
|
Terminal
|
|
|
15
|
FUEL PUMP RELAY
|
Ignition On
Wait a few seconds
Engine running at idle speed
|
INACTIVE
12 V
ACTIVE
0 V
|
53, 54
|
15, 41
|
|
|
Note: Before commencing
trouble - shooting as described below, carry out a quick check with F5: ACTUATOR TEST, no. 03.
If the results of
this test are negative, proceed with trouble - shooting as described
below.
|
|
Notes on Trouble - shooting:
|
Nominal Value:
|
Cause of Fault:
|
|
|
Trouble code 54:
Astra - F, Vectra / Cavalier, Calibra:
· Ignition
Off. Disconnect fuel pump relay K68.
Using multimeter, measure
voltage at relay base Ter. 2 (Ter. 30) and Ter. 3 (Ter. 86) to ground.
· Disconnect
plug from control unit K69.
Using multimeter, check
lead connections from control unit plug to fuel pump relay base for passage
between
|
greater than 11.5 V
|
· Lead
interruption to + battery voltage
|
|
|
- Ter. 15 and Ter.
9 (Ter. 85B)
- Ter. 37146 and
Ter. 8 (Ter. 87)
- Ter. 16 and Ter.
1 (Ter. 85)
- and for short
circuit combinations thereof
Further possible faults
Omega - B
· Ignition
Off. Disconnect reverse battery protection relay K42 and fuel pump
relay K44.
|
0 W
0 W
0 W
¥ W
|
· Lead
interruption
· Lead
interruption
· Lead
interruption
· Lead
short circuit in any combination
· Fuel
pump relay K 68 defective.
· Control
unit K69 defective
|
|
|
Using multimeter, measure
voltage at relay base K42 / Ter. 2 (30) and Ter. 4 (86) and at relay
base K44 / Ter. 2 to ground
Further possible faults:
· Disconnect
plug from control unit K69.
Using multimeter, check
lead connections from control unit plug K69 to specified relay bases for
passage between
|
greater than 11.5 V
|
· Lead
interruption to + battery voltage
|
|
|
- Ter. 15 and
K44 / Ter. 6 (Ter. 85)
- Ter. 37146 and
K42 / Ter. 8 (Ter. 87)
- Ter. 37146 and
K44 / Ter. 4 (Ter. 86)
- Ter. 16 and
K42 / Ter. 6 (Ter. 85)
- and for short
circuit combinations thereof
Further possible faults
Trouble code 53
· Ignition
Off. Disconnect plug from control unit K69 and disconnect fuel pump
relay
- K68
(Astra - F, Vectra / Cavalier, Calibra)
- K44 (Omega -
B)
|
0 W
0 W
0 W
0 W
¥ W
|
· Lead
interruption
· Lead
interruption
· Lead
interruption
· Lead
interruption
· Lead
short circuit in any combination
· Relay
K42 or relay K44 defective
· Control
unit K69 defective
|
|
|
Using multimeter, measure resistances of lead between
control unit plug K69 / Ter. 15 and fuel pump relay base
- K68 /
Ter. 9 (85B) (Astra - F, Vectra / Cavalier, Calibre)
- K44 /
Ter. 6 (85) (Omega - B)
to ground
|
¥ W
|
· Lead
short circuit to ground
|
|
|
Further possible faults:
|
|
· Control
unit K69 defective
|
|
|
|
|
|
|
|
|
|
|
|
