FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Signal Too High






Signal too high

Checking the component and wiring




- Ignition off.
Check the connectors for the Suspension Module (SUM) and the position sensor. Check for contact resistance and oxidation.

For diagnostic trouble code (DTC) SUM-0012, front left acceleration sensor
- Check the signal cable between Suspension module (SUM) #A12 and acceleration sensor #2 for short-circuiting to voltage.

For diagnostic trouble code (DTC) SUM-0022, front right acceleration sensor
- Check the signal cable between Suspension module (SUM) #A27 and acceleration sensor #2 for short-circuiting to voltage.

Hint: Click on the VCT2000 symbol to check the signal from the acceleration sensors.

Try a new acceleration sensor if no fault is found in the wiring.
Remedy as necessary.

Other information
- Acceleration sensor suspension front (Four-C), replacing Acceleration Sensor Suspension Front (Four-C), Replacing
- Component specifications [1][2]Specifications
- Connecting the breakout box Connecting the Breakout Box, Suspension Module (SUM)
- Signal specification Signal Specification, Suspension Module (SUM)
- Checking wiring and terminals Checking Wiring And Terminals














Continue - Verification

-------------------------------------------------

Verification




Verification

Verification

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








- Ignition off
- Reinstall the connectors, components etc.
- Ignition on.
Click on the VCT2000 symbol to read off the present value of the acceleration sensor. The value must be approximately 2.5 V
Rock the car. Check that the value changes.





Is the value OK?

Yes - VERIFIED

No - VERIFICATION FAILED

------------------------

VERIFIED - Fault Found

VERIFICATION FAILED - Fault-tracing information

-------------------------------------------------

Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - FAULT-TRACING FAILED

No - Attempt New Test

------------------------

FAULT-TRACING FAILED - FAULT-TRACING FAILED

Attempt New Test - Checking the component and wiring

-------------------------------------------------