Signal Too Low
Signal too low
Checking the function of the Winter (W) mode selector
- Ignition on
- Click on the VCT2000 symbol to read off the mode selector status.
The status must be OFF with the button unaffected and change to ON when the button is pressed.
Are the correct values displayed?
Yes - Intermittent fault
No - Checking the wiring and component
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Checking the wiring and component
- Ignition off
- Remove the Winter (W) mode selector from the center console. See Replacing the panel with integrated winter mode switch, AW55-50/51SN Replacing The Panel With Integrated Winter Mode Switch.
Check that the winter (W) mode selector button does not stick in the depressed position.
Shake the mode selector. Check there are no loose components in the switch.
Connect an ohmmeter between terminal #2 and #3. The ohmmeter must show infinite resistance with the W-button disconnected and approximately 0 ohms with the W-button depressed.
Check the cable between the mode selector connector terminal #2 and transmission control module (TCM) terminal #37. Check for a short-circuit to ground.
- Checking wiring and terminals Checking Wiring And Terminals
Continue - Verification
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Verification
Verification
Hint: After repairs have been completed, they must be verified as follows to ensure that the fault has been eliminated:
- Ignition off
- Reinstall the connectors, components etc.
- Ignition on
- Click on the VCT2000 symbol to read off the mode selector status.
The status must be OFF with the button unaffected and change to ON when the button is pressed.
Are the correct values displayed?
Yes - VERIFIED
No - VERIFICATION FAILED
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VERIFIED - FAULT FOUND
VERIFICATION FAILED - Fault-tracing information
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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 - Exit fault-tracing
No - Attempt New Test
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Attempt New Test - Checking the function of the Winter (W) mode selector
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Intermittent fault
Intermittent fault
Intermittent fault
- Ignition off
- Remove the Winter (W) mode selector from the center console according to Replacing the panel with integrated winter mode switch, AW55-50/51SN Replacing The Panel With Integrated Winter Mode Switch.
Check that the W mode selector button does not stick in the depressed position.
Check the cable between the mode selector connector terminal #2 and transmission control module (TCM) terminal #37. Check for a an intermittent short-circuit to ground according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Continue - Fault-tracing information
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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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Attempt New Test - Checking the function of the Winter (W) mode selector
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