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Repair Guideline

Tester-Display

No.

Work Instructions

Set Value

Fault Codes Connection

Troubleshooting :

Set Value :

Causation :

46

ABS REPAIR GUIDELINES

16 G Sensor Signal Ignition On

a =

C1274 GND 30

Signal fault

Vehicle standing,

- 0.11 to 0.11 g C1275

AY 10

positioned on even

surface

Plausibility fault Lift vehicle at one side or

a exceeding

U5V sensor 28

drive onto ramp

-0.11 to 0.11 g

Note :

The sensor is sensitive to shock acceleration against the housing and consequently against the sensor

element. Disturbances of this kind e.g. through hammer blows during body repairs are not permitted.

Ignition Off

• Open circuit in line between cables

• Disconnect 3-pin cable harness plug

from wiring harness and plug’s,terminal

from acceleration sensor.

30,10,28

Ignition On

• Excessive line and contact resistance

• Using multimeter, measure voltage

at plug contact.

at cable harness plug terminal 28

(positive) against terminal 30(ground)

Ignition Off

Ustab = 5V + 0.1V • Sensor defective; relace.

• Connect pin-out box between 3-pin

cable harness plug and sensor.

Ignition On

• Using multimeter, measure signal 0.65 to 4.35V DC

voltage at terminal 10 against vehicle on even

terminal 30(ground)

surface.