|
No.
|
TECH 1 Display
|
Conditions for
Checking
|
Nominal Value
|
Trouble Codes
|
Terminal
|
|
23
|
VEHICLE SPEED
|
Test drive
The TECH 1 display indicates the actual speed, the
speedometer display may deviate from approx. 5 to 10 % this by
|
50 km / h, 30 MPH
|
24
|
B 2 /D 1
|
|
Trouble - shooting:
|
Nominal Value:
|
Cause of Fault:
(If nominal value is not attained)
|
|
· Controlled
canister purge valve defective.
· Ignition
ON
|
Instrument illumination ON
Engine telltale H 30 ON
|
· Fuse
F 17 (Corsa - B) F7 (Astra - F) defective.
· Fault
in instrument illumination.
|
|
· For
Corsa - B (Astra - F page 75):
|
|
|
|
· Ignition
OFF
· Disconnect
plug X 5 from control unit to odometer frequency sensor in instrument.
· Measure
voltage:
from: plug
X 5 Ter. 7
to: ground
|
less than 0.1 V
|
· Short
circuit in wiring harness
from: plug
X 5 Ter. 7
to: battery +
· Triple
info Display defective.
|
|
· Ignition
ON
· Jack
up the vehicle at the front, rotate front wheels slowly
· Measure
voltage:
from: plug
X 5 Ter. 7, wiring harness side
to: ground
|
Alternately less than 1 V and greater than 10 V
|
Constantly greater than 11 V
· Short
circuit to voltage
from: plug
X 5 Ter. 7
to: ignition
lock S 1 Ter. 15
Constantly less than 0.1 V
· Short
circuit in wiring harness
from: plug
X 5 Ter. 7
to: ground
· Odometer
frequency sensor defective
|
|
· Connect
plug
· Rotate
front wheels slowly, until a voltage greater than 10 V is present at
plug X 5 Ter. 7 to ground
· Pulse
lead to ground:
from: X 5 Ter.
7 wiring harness side
to: ground
· Press
Triple info Display keys for 4 s
|
Display Test: vehicle speed is displayed
|
· Lead
interruption
from: X 5 Ter.
7
to: Triple
info Display plug X 23 Ter. 12
· Triple
info Display defective.
|
|
· Ignition
OFF
· Disconnect
plug K 57
· Ignition
ON
· Measure
voltage:
from: X 5 Ter.
7, control unit side
to: ground
|
less than 0.1 V
|
· Short
circuit in wiring harness
from: X 5 Ter.
7
to: battery +
|
|
· Ignition
OFF
· Using
multimeter, measure resistance:
from: X 5 Ter.
7
to: control
unit plug K 57 Ter. B 2
|
less than 2 W
|
· Lead
interruption
from: X 5 Ter.
7
to: control
unit plug K 57 Ter. B 2
|
|
· Using
multimeter, measure resistance:
from: X 5 Ter.
7
to: ground
|
greater than 100 kW
|
· Short
circuit in wiring harness
from: X 5 Ter. 7
to: ground
|
|
· Connect
all plugs
· Ignition
ON
· Pulse
plug X 5 Ter. 7 in assembly to ground
|
TECH 1 indicates a speed greater than
0 km / h (0 mph)
|
· Control
unit defective
|
|
· For
Astra - F:
· Ignition
OFF
· Disconnect
plug X 9 from control unit to odometer frequency sensor in instrument.
· Measure
voltage:
from: plug
X 9 Ter. 4
to: ground
|
less than 0.1 V
|
· Shorl
circuit in wiring harness
from: plug
X 9 Ter. 4
to: battery +
· Multi
Info Display defective
|
|
· Ignition
ON
· Jack
up the vehicle at the front, rotate front wheels slowly
· Measure
voltage:
from: plug
X 9 Ter, 4, wiring harness side
to: ground
|
Alternately less than 1 V and greater than 10 V
|
Constantly greater than 11 V
· Short
circuit to voltage
from:plug X 9 Ter. 4
to: ignition
lock S 1 Ter, 15
Constantly less than 0.1 V
· Short
circuit in wiring harness
from: plug
X 9 Ter. 4
to: ground
· Odometer
frequency sensor defective
|
|
· Connect
plug
· Rotate
front wheels slowly, until a voltage greater than 10 V is present at
plug X 9 Ter. 4 to ground
|
|
|
|
· Pulse
lead to ground:
from: X 9 Ter. 4
wiring harness side to: ground
|
|
|
|
· With
TECH 1, select MID test step No. 21
|
TECH 1 indicates speed higher than
0 km /h (0 mph)
|
· Lead
interruption
from: X 9 Ter. 4
to: Multi -
Info - Display plug X 20 Ter. 20
· Multi
Info Display defective.
|
|
· Ignition
OFF
· Disconnect
plug K 57
· Ignition
ON
· Measure
voltage:
from: X 9 Ter. 4,
control unit side
to: ground
|
less than 0.1 V
|
· Short
circuit in wiring harness
from: X 9 Ter. 4
to: battery +
|
|
· Ignition
OFF
· Using
multimeter, measure resistance:
from: X 9 Ter. 4
to: control
unit plug K 57 Ter. B 2
|
less than 2 W
|
· Lead
interruption
from: X 9 Ter. 4
to: control
unit plug K 57 Ter. B 2
|
|
· Using
multimeter, measure resistance:
from: X 9 Ter. 4
to: ground
|
greater than 100 kW
|
· Short
circuit in wiring harness
from: X 9 Ter. 4
to: ground
|
|
· Connect
all plugs
· Ignition
ON
· Pulse plug
X 9 Ter. 4 in assembly to ground
|
TECH 1 indicates speed higher than
0 km / h (0 mph)
|
· Control
unit defective
|
|
|
|
|
|
|
|
|
