|
No.
|
TECH 1 Display
|
Conditions for Checking
|
Nominal Value
|
Trouble Codes
|
Terminal
|
|
47
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VEHICLE SPEED
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Vehicle travelling at approx. 30 km/h (19 mph)
Note:
The TECH 1 display shows the actual speed. The speedometer
display may deviate by approx. 5 to 10 % from the TECH 1 display
|
30 km/h, 19 MPH
|
24
|
F10
|
|
|
|
|
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|
|
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Notes on
Trouble-shooting:
|
Nominal
Value:
|
Cause of
fault:
(If nominal
value is not attained)
|
|
Part 1:
|
|
|
|
· Ignition OFF
· Disconnect
wiring harness plug:
K57 engine control unit
· Transmission in
neutral
· Ignition ON
· Slowly move
vehicle approx. 30 cm/12 in. to and fro
· Using
multimeter, measure voltage
from: K57
wiring harness plug for engine control unit Ter. F10
to: ground
|
alternating
lower than 1 V and
higher than 10 V,
|
If nominal value is not attained:
Proceed with part 2
|
|
|
If nominal values are attained
|
· K57 engine
control unit defective.
|
|
Part 2:
|
|
|
|
· Disconnect
wiring harness plug from:
H1 radio U14/ U15/ U16 Info Display K117 immobiliser
control unit H27 warning buzzer (Astra- F Saudi Arabia only)
· Slowly turn
both front wheels
· Using
multimeter, measure voltage
from: K57
wiring harness plug for engine control unit Ter. F10
to: ground
|
alternating
lower than 1 V and
higher than 10 V,
|
· Short circuit
to voltage
(measured value constantly higher than 10 V) or
short circuit to ground/ circuit interruption
(measured value constantly lower than 1 V)
from: K57
wiring harness plug for engine control unit Ter. F10
to: K117
wiring harness plug for immobiliser control unit Ter. 6
to: X17
wiring harness plug for instrument Ter. 25 (Corsa- B, Tigra)
to: X24
wiring harness plug for radio Ter. 5 (Corsa- B, Tigra)
to: X23
wiring harness plug for TID Ter. 12 (Corsa- B, Tigra)
|
|
|
|
or
to: X21
wiring harness plug for Instrument Ter. 3 (Astra- F)
to: X69
wiring harness plug for radio Ter. 5 (Astra- F)
to: X19
wiring harness plug for TID Ter. 12 (Astra- F)
to: X20
wiring harness plug for MID Ter. 20 (Astra- F)
to: H27
wiring harness plug for warning buzzer Ter. 4 (Astra- F) (Saudi
Arabia only)
· Speedometer
cable defective
· P21 odometer
sensor (instrument) defective
|
|
· Connect wiring
harness plug:
H1 radio
· Slowly turn
both front wheels
· Using
multimeter, measure voltage
from: K57
wiring harness plug for engine control unit Ter. F10
to: ground
|
alternating lower than 1 V and higher than 10 V
|
· H1 radio
defective
|
|
· Connect wiring
harness plug:
U14/ U15/ U16 Info Display
· Slowly turn
both front wheels
· Using
multimeter, measure voltage
from: K57
wiring harness plug for engine control unit Ter. F10
to: ground
|
alternating lower than 1 V and higher than 10 V
|
· U14/ U15/ U16
Info Display defective
|
|
· Connect wiring
harness plug:
K117 immobiliser control unit
· Slowly turn
both front wheels
· Using
multimeter, measure voltage
from: K57
wiring harness plug for engine control unit Ter. F10
to: ground
|
alternating lower than 1 V and higher than 10 V
|
· K117
immobiliser control unit defective
|
|
· Connect wiring
harness plug:
H27 warning buzzer (Astra- F Saudi Arabia only)
· Slowly turn
both front wheels
· Using
multimeter, measure voltage
from: K57
wiring harness plug for engine control unit Ter. F10
to: ground
|
alternating
lower than 1 V and
higher than 10 V,
|
· H27 warning
buzzer defective (Astra- F Saudi Arabia only)
|
|
|
If nominal values are attained
|
· K57 engine
control unit defective.
|
|
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