Contents Section: Fuel Injection Systems All sections

F0:Data List Test Step 47 Vehicle Speed Opel Tigra A

Multec- S X 14 XE / X 16 XE (L) F0:DATA LIST

No.TECH 1 DisplayConditions for CheckingNominal ValueTrouble CodesTerminal
47VEHICLE SPEEDVehicle 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 display30 km/h, 19 MPH
24F10
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: groundalternating

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: groundalternating

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.