Checking The Cruise Control Lever

Checking the cruise control lever

Checking the cruise control lever




- Ignition on
- Read off the status of the cruise control lever buttons.

Note! Cruise control must be activated (ON) when the cruise control lever buttons are checked.

Check that the Cruise +, Cruise - and Resume button on the cruise control lever change status when the buttons are affected. The status for all buttons must be OFF when the buttons are unaffected. With the button affected the status must change to ON.

Hint: If none of the buttons change status it can indicate that there is no power supply from the engine control module (ECM) to the cruise control lever.

Check all the buttons on the cruise control lever by taking a reading across the cruise control lever terminals using an ohmmeter.
Check the cruise control lever connectors and terminals. Check for loose connections. Check for contact resistance and oxidation. Also check the relevant connections and terminals on the engine control module (ECM). Check for contact resistance and oxidation. Check for loose connections.
Check the power supply cable between engine control module (ECM) terminal #B36 (#B46) and cruise control lever terminal #1. Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage.
Check the signal cable for Cruise ON/OFF between engine control module (ECM) terminal #B24 (#B34) and cruise control lever terminal #2. Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage.
Check the signal cable for Resume between engine control module (ECM) terminal #A40 (#A40) and cruise control lever terminal #3. Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage.
Check the signal cable for Cruise - between engine control module (ECM) terminal #B35 (#B45) and cruise control lever terminal #4. Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage.
Check the signal cable for Cruise + between engine control module (ECM) terminal #B19 (#B29) and cruise control lever terminal #5. Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage.
Remedy as necessary.

Other information:
- Checking wiring and terminals Checking Wiring and Terminals
- To connect the breakout box, see Connecting the breakout box, B5234T9, B5244T7 Connecting The Breakout Box
- To access or replace the cruise control lever, see Replacing cruise control lever/turn signal indicator switch Replacing Cruise Control Lever/Turn Signal Indicator Switch
- For information about signals, see Signal specification Signal Specifications
- For resistance values, see Component specifications Specifications
- With Cruise ON, the voltage to the cruise control lever is a quadratic wave with a peak voltage of Ubat and is supplied via engine control module (ECM) terminal #B36 (#B46)
- At Cruise OFF, the power supply to the cruise control lever is a saw tooth voltage with a peak voltage of Ubat and offset voltage of approximately 7.5 V.













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
- Read off the status of the cruise control lever buttons.

Note! Cruise control must be activated (ON) when the cruise control lever buttons are checked.

Check that the Cruise +, Cruise - and Resume button on the cruise control lever change status when the buttons are affected. The status for all buttons must be OFF when the buttons are unaffected. With the button affected the status must change to ON.
The fault has been remedied if the function of the cruise control lever buttons is OK.





Is the function OK?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFICATION FAILED - Fault-tracing information

VERIFIED - FAULT FOUND

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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 cruise control lever

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