Immobilizer indicator lamp, testing IMM electrical system

AD80.35-D-6003-05B

Immobilizer indicator lamp, testing IMM electrical system





Scope of test

Tester/test connection

Operation/

Requirement

Specified value

 Possible cause/

Remedy

1.0



Immobilizer indicator lamp

Actuation

(PWM)



Ignition: ON

Indicator lamp actuation

ON

OFF

ON

OFF

 Cable

 Indicator lamp

 Instrument cluster

 Specification o.k.:

Erase fault memory and carry out operational check

AD80.35-D-3009A

1.1

-//-

(PWM)





A53

4

Ignition: OFF

Socket at WSP control unit disconnected

<25 Ω

 Cable

 Indicator lamp

 Instrument cluster

1.2

  -

(PWM)





A53

4

Ignition:OFF

Socket at WSP control unit

and connector 2 (white) at instrument cluster disconnected

>20 kΩ

 Cable

1.3

  +

(PWM)





A53

4

Socket at WSP control unit

and connector 2 (white) at instrument cluster disconnected

Ignition: ON

<1 V

 Cable

 Further possibilities:

WSP control unit