Signal Too Low

Signal too low

Checking the wiring




- Ignition off.
Check the cable between the central electronic module (CEM) and the right-hand turn signal lamps. Check for an open-circuit. Check for a short-circuit to ground.
Also check the intermediate connectors.
For S60 and V70
Take readings between:
- Central electronic module (CEM) terminal #A29 (29) and indicator front door right terminal #2.
- Central electronic module (CEM) terminal #B32 (#32) and right-hand turn signal lamp terminal #1.
For S80
Take readings between:
- Central electronic module (CEM) terminal #B32 and right-hand front door turn signal lamp terminal #2
- Central electronic module (CEM) terminal #B32 and right-hand turn signal lamp terminal #2.
For the XC90
Take readings between:
- Central electronic module (CEM) terminal #A29 (#29) and right front door turn signal lamp terminal #2
- Central electronic module (CEM) terminal #B32 (#32) and right-hand turn signal lamp terminal #1.
Remedy as necessary.

Other information
- Connecting the breakout box Connecting The Breakout Box, Central Electronic Module (CEM)
- Signal specification Signal Description, Central Electronic Module (CEM)
- Location of components Locations
- Checking wiring and terminals Checking Wiring And Terminals

Continue - Verification

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Verification





Verification

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off
- Reinstall the connectors, components etc.
- Ignition on.
Activate the turn signal lamps.
Check that the turn signal lamps are activated.

Are the turn signal lamps activated?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFIED - FAULT FOUND

VERIFICATION FAILED - Fault-tracing information

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Fault-tracing information

Attempt New Test - Checking the wiring

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