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Test readings, control moduleconnections

Test readings, control module connections


Test readings and instructions for measuring voltage levels on the SID unit are given on the following pages.

Remember:


• Unless otherwise stated, all voltage measurements should be carried out with all components connected and with the ignition switch in the Drive position.

• Readings should be taken with a Breakout box (BOB) connected between the SID unit and its connector.

• Several voltage levels should be regarded as guiding values. Use your common sense when judging whether a particular reading is correct or not.

• If any reading is not OK, consult the wiring diagram to trace the leads, connectors or components which ought to be checked more thoroughly.


Pin

Colour

Component/function

In/Out

Test conditions

Test reading

Across X Y

1

GY/WH

Washer fluid level sensor

In

Washer fluid present (closed) Washer fluid not present (open)

0 V 12 V

1-20

2



Not used









3

BK/GN

Coolant level sensor

In

Coolant present (closed) Coolant not present (open)

0 V 12 V

3-20

4

BN

Filament monitor, front lamps

In

OFF ON

12 V 0 V

4-20

5

PK

TSAS

In



Variable voltage 0-12 V

5-20

6

RD

SENSONIC

In

Ignition ON Activate SID with Scan Tool - No fault - Overheated clutch

9-10 V LP HIp LOp 5-6 V LP HIp LOp

6-20

7



Not used









8

BN/WH

ICE data

In

No message

about 8 V

8-20

9

YE/GY

Ignition +15

In

Ignition on

< 0.5 V

B+ -9

10



Not used









11



Not used









12

BU/GY

Bulb failure in main instrument display panel 1

Out

Lamp lit Lamp out

0 V 12 V

15-12

13

RD/WH

Washer fluid bulb in main instrument display panel 1

Out

Lamp lit Lamp out

0 V 12 V

13-15

14



Not used









15

RD/WH

Ignition +30

In



< 0.5 V

B+ -15

16

BN/OG

Bus +

In/Out

Ignition on

2.5 V

16-20

17

BU/OG

Bus -

In/Out

Ignition on

2.5 V

17-20

18

BU/GN

Outside temperature sensor ground

In



12 V

15-18

19

YE/GN

Outside temperature sensor

In

Ignition on

about 1.5-2.5 V at 20 °C

19-20

20

BK

Signal ground

In

Ignition on

< 0.1 V

20-batt-

21



Not used









22

VT/WH

Rheostat

In

Rheostat MIN @ HALF MIN MAX

about 2 V about 12 V

22-20