Current Too High. Intermittent Fault

Current too high. Intermittent fault

Mechanical check
Carry out the mechanical check according to Mechanical check Mechanical Check.
Carry out further mechanical checks. See Replacing and adjusting the striker plate for the cover Replacing and Adjusting the Striker Plate for the Cover.

Was a fault found?

Yes - Checking the connectors

No - Mechanically checking components and wiring

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Checking the connectors
- Check control module connector C and the connectors for the micro-switches. Check for an intermittent short-circuit to supply voltage according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults. Check for contact resistance and oxidation according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Remedy as necessary.

Other information:
- Replacing and adjusting micro-switches Replacing and Adjusting Micro-Switches
- Replacing the control module Service and Repair









Was the fault found?

Yes - Fault-tracing information

No - Checking the component

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Mechanically checking components and wiring




- Check that the micro-switches appear intact
- Remedy as necessary
- Ignition on
- Connect the Volvo Scan Tool (ST).
Read off the status of the micro-switches.
Operate the micro-switches manually.
The status should change from activation (micro-switch on) to non activation (micro-switch off).

Other information:
- Replacing the control module Service and Repair
- Replacing and adjusting micro-switches Replacing and Adjusting Micro-Switches
- There is a short-circuit to ground if the status is low when the switch inactive
- If the status is high with the micro switch activated there is an open-circuit or a short-circuit to supply voltage.

Hint: The micro-switch can be activated by hand or using a pointed tool. Be careful.

Hint: The micro-switches are connected in series for the left and right cover locks.





Does the status for both micro-switches change?

Yes - Fault-tracing information

No - Checking the component

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Checking the component








- Disconnect the relevant micro-switch
- Ignition on.
Connect a voltmeter between micro-switch terminal #1 and ground.
Activate the micro-switch manually so that it is active throughout the test
Check for an intermittent short-circuit to supply voltage according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Replace the micro-switch if a short-circuit is found.
Remedy as necessary.

Other information:
- Replacing and adjusting micro-switches Replacing and Adjusting Micro-Switches

Hint: The micro-switch can be activated by hand or using a pointed tool. Be careful.









Was a short-circuit found?

Yes - Fault-tracing information

No - Checking the component

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Checking the component




- Ignition off.
Connect an ohmmeter between micro-switch terminals #1 and #2.
Activate the micro-switch manually so that it is active throughout the test
Check for an intermittent open-circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.

Replace the micro-switch if an open-circuit is found.
If no fault is found there is probably a fault in the cable between the control module and the micro-switch connector.
Remedy as necessary.

Other information:
- Replacing and adjusting micro-switches Replacing and Adjusting Micro-Switches

Hint: The micro-switch can be activated by hand or using a pointed tool. Be careful.









Was the fault found?

Yes - Fault-tracing information

No - No Fault Found

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Fault-tracing information




Information

Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

Do you want to view the information again?

Yes - Attempt New Test

No - FAULT FOUND

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FAULT-TRACING FAILED - DONE

Attempt New Test - Mechanical check

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