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Home >> Suzuki >> 2008 >> XL7 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Diagnostic Information and Procedures >> Cruise Control Malfunction >> Circuit/System Testing
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Circuit/System Testing

  1. Ignition OFF, remove the inflatable restraint steering wheel module. refer to INFLATABLE RESTRAINT STEERING WHEEL MODULE REPLACEMENT .
  2. Disconnect the harness connector at the steering wheel controls switch - left.
  3. Ignition ON, test for greater than 10 volts between the supply voltage circuit terminal 1 and ground.
    • If less than the specified range, test the supply voltage circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the BCM.
  4. Verify the scan tool Cruise Control Switch parameter is OFF.
    • If not the specified value, test the signal circuit terminal 3 for a short to voltage. If the circuit tests normal, replace the BCM.
  5. Ignition OFF, connect the harness connector at the steering wheel controls switch - left.
  6. Ignition ON, with the cruise control switch in the ON position, observe the scan tool Cruise Control Switch parameter. The parameter should display ON.
    • If not the specified value, test the signal circuit terminal 3 for a short to ground or an open/high resistance. If the circuit tests normal, test or replace the steering wheel controls switch - left.
  7. Observe the scan tool Cruise Control Switch parameter while pressing the RES + portion of the cruise control switch. The parameter should display Resume.
    • If not the specified value, test or replace the steering wheel controls switch - left.
  8. Observe the scan tool Cruise Control Switch parameter while pressing the SET - portion of the cruise control switch. The parameter should display Set.
    • If not the specified value, test or replace the steering wheel controls switch - left.
  9. Observe the scan tool Cruise Control Switch parameter while pressing the Cancel portion of the cruise control switch. The parameter should display Cancel.
    • If not the specified value, test or replace the steering wheel controls switch - left.
  10. If the circuits test normal, test or replace the ECM.
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