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F0:Data List - Test Step 27 Vehicle Speed Opel Corsa B

Multec - S (C 16 XE) F0:DATA LIST

No.TECH 1 DisplayConditions for CheckingNominal ValueTrouble CodesTerminal
27VEHICLE SPEEDTest drive

The TECH 1 display indicates the actual speed; the speedometer may deviate from this value by approx. 5 to 10 %

50 km / h, 31 MPH24B 14
Trouble - shooting:Nominal Value:Cause of Fault:

(If nominal value is not attained)

· Ignition OFF

· Disconnect plug X 5 from control unit to odometer frequency sensor in instrument.

· Disconnect plug X 23 at Dual / Triple - Info - Display DID / TID E 63

· Ignition ON

· Raise vehicle

· Manual transmission in neutral

· Slowly turn both front wheels

· Measure voltage:

from: X 5 Ter. 7 (instrument side)

to: groundless than 1 V and greater than 10 V, alternatelyIf voltage is constantly greater than 11 V:

· Short circuit to voltage

from: wiring harness plug X 5 Ter. 7

to: instrument plug X 17 Ter. 25

· Instrument defective

If voltage is constantly less than 0.1 V:

· Short circuit to ground

from: wiring harness plug X 5 Ter. 7

to: instrument plug X 17 Ter. 25

· Lead interruption

from: wiring harness plug X 5 Ter. 7

to: instrument plug X 17 Ter. 25

· Fuse F 17 defective

If no voltage change occurs, but nominal value is attained.

· Odometer frequency sensor defective

· Speedometer cable defective

· Ignition OFF

· Connect plug X 23 at Dual / Triple - Info - Display DID / TID E 63.

· Ignition ON

· Slowly turn both front wheels

· Press both DID / TID keys approx. 4 s

Instrument displays speed· DID / TID defective

· Measure voltage:

from: X 5 Ter. 7 (instrument side)

to: ground

less than 1 V and greater than 10 V, alternately· DID / TID defective

· Connect plug X 5

· Pulse lead to ground:

from: plug X 5 Ter. 7 (control unit side)

to: groundTECH 1 displays in test step 28:
RECEIVED· Wiring harness defective

from: plug X 5 Ter. 7

to: control unit K 57 Ter. B 14

· Control unit defective

· Measure voltage:

from: wiring harness plug X 5 Ter. 7

to: control unit K 57 Ter. B 14

less than 0.1 V· Short circuit to voltage

from: wiring harness plug X 5 Ter. 7

to: control unit K 57 Ter. B 14

· Using Multimeter, measure resistance:

from: wiring harness plug X 5 Ter. 7

to: control unit K 57 Ter. B 14

less than 2 W· Lead interruption

from: wiring harness plug X 5 Ter. 7

to: control unit K 57 Ter. B 14

· Using Multimeter, measure resistance:

from: wiring harness plug X 5 Ter. 7

to: groundgreater than 100 kW· Short circuit to ground

from: wiring harness plug X 5 Ter. 7

to: control unit K 57 Ter. B 14

If nominal values are attained
· Control unit defective