Part 6
Checking disengagement cause (Continued)
Checking for an open-circuit
- Ignition off.
- Check cable between stop (brake) light switch connector terminal 2 and control module connector terminal 6S for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Continue - Verification
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Checking control module connector
- Ignition off.
- Check control module connector terminal 6S for contact resistance and oxidation and remedy according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault and loose connections according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
- Connect control module.
- Connect stop (brake) light switch.
- Ignition on.
- Activate Diagnostic Test Mode (DTM) 2.
- ON/OFF switch to the OFF position
- Depress brake pedal.
- Check whether response code 1-3-2 is returned.
Response code 1-3-2 returned?
Yes - Fault-tracing information
No - Replacing component
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Fault-tracing information
- Ignition off.
- The response code was not returned because of loose connections in the control module connector.
Continue - FAULT FOUND
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Replacing component
- Ignition off.
- Try a new control module according to Replacing control module Service and Repair.
Continue - Verification
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Verification
Verification
Hint: After carrying out the repair, check that the fault has been remedied as follows:
- Ignition off.
- Reconnect connectors, reinstall components.
- Connect control module.
- Selector switch in OFF position.
- Ignition on.
- Activate Diagnostic Test Mode (DTM) 2.
- ON/OFF switch to the OFF position
- Depress brake pedal.
- Check whether response code 1-3-2 is returned.
Response code 1-3-2 returned?
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
Attempt New Test - Checking response code
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Connection of Volvo Scan Tool (ST)
DONE - Checking response code
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Adjusting the stop (brake) light switch
- Adjust the stop (brake) light switch early type according to Stop (brake) light switch early type Adjustments the later type is self-adjusting.
- Ignition off.
- Connect stop (brake) light switch.
- Ignition on.
- Connect a voltmeter between stop (brake) light switch connector terminal 2 and ground.
Voltmeter should read battery voltage when the brake pedal is depressed more than 5-10 mm.
OK - Checking the stop (brake) light bulbs
Not OK - Replacing component
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FAULT FOUND - Information
FAULT-TRACING FAILED - Information
No Fault Found - Information
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Fault-tracing response code 2-1-4
Internal fault
Replacing component
- Ignition off.
- Try a new control module according to Replacing control module Service and Repair.
Continue - FAULT FOUND
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FAULT FOUND - Information
FAULT-TRACING FAILED - Information
No Fault Found - Information
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Volvo Scan Tool (ST)
Connection
FAULT FOUND - Checking disengagement cause
No Fault Found - Connecting
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Connecting
Connecting the Volvo Scan Tool (ST)
Connecting the Volvo Scan Tool (ST)
- Insert the blue memory cassette into the Volvo Scan Tool (ST)
- Connect adapter 951 1457-5 to cable 951 1458-3.
- Connect the VIDA cable between the adapter and the VIDA PC.
Is the data link connector (DLC) in the passenger compartment?
Yes - Data link connector (DLC) terminal
No - Data link connector (DLC) terminal
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Data link connector (DLC) terminal
- Connect cable from Volvo Scan Tool (ST) (no. 951 1458-3) to the adapter (no. 951 1459-1) for use in the engine compartment.
- Connect adapter to data link connector (DLC) A or B, see DLC DLC.
- Connect adapter cables to the battery.
- Power up the Volvo Scan Tool (ST).
Continue - DONE
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Data link connector (DLC) terminal
- Connect cable from Volvo Scan Tool (ST) (no. 951 1458-3) to the data link connector (DLC) in the passenger compartment.
- Power up the Volvo Scan Tool (ST).
Continue - DONE
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DONE - Checking disengagement cause
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Information
Are several diagnostic trouble codes (DTCs) stored?
Yes - Checking disengagement cause
No - FAULT FOUND
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Checking disengagement cause
- 1. Response code 1-1-4 stored.
- 2. Response code 1-4-1 stored.
- 3. Response code 4-1-1 stored.
- 4. Response code 1-2-4 stored.
- 5. Response code 2-1-4 stored.
Select one of the alternatives above.
1 - Fault-tracing response code 1-1-4
2 - Fault-tracing response code 1-4-1
3 - Fault-tracing response code 4-1-1
4 - Fault-tracing response code 1-2-4
5 - Fault-tracing response code 2-1-4
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