Diagnostic Test

CHECK FOR AN ACTIVE DTC
NOTE:
Before proceeding with the diagnostic procedure, verify that the connections are properly made, seated and verify proper pin terminal tension. A loose connection at any of the SCCM connectors may cause the DTC to set.
1. Turn the ignition on.
2. With the scan tool, read DTCs.
  Does the scan tool display P0580-00-SPEED CONTROL SWITCH 1 CIRCUIT LOW as active?
  
  Yes
  - Go To 2
  No
  - Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
RIGHT STEERING WHEEL SWITCH (SPEED CONTROL SWITCH) INTERNAL SHORT TO GROUND
1. Turn the ignition off.
  WARNING:
  Turn the ignition off disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
  
  WARNING:
  Do not place an intact non-deployed airbag face down on a hard surface, the airbag propels into the air if accidentally deployed. Failure to follow these instructions may result in possible serious or fatal injury.
2. Disconnect the Right Steering Wheel Switch (Speed Control Switch) harness connector.
  NOTE:
  Visually and physically inspect the wiring harness between the Right Steering Wheel Switch (Speed Control Switch) harness connector and the SCM C6 harness connector. Repair any damaged wires, connectors, and open/spread terminals. If harness is OK, proceed with test.
3. Turn the ignition on.
4. With the scan tool, read DTCs.
  Does the scan tool display P0580-00-SPEED CONTROL SWITCH 1 CIRCUIT LOW as active?
  
  Yes
  - Go To 3
  No
  - Replace the Right Steering Wheel Switch (Speed Control Switch) in accordance with the Service Information. Refer to SWITCH, SPEED CONTROL, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
STEERING WHEEL HARNESS INTERNAL SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the SCM C6 harness connector.
3. Turn the ignition on.
4. With the scan tool, read DTCs.
  Does the scan tool display P0580-00-SPEED CONTROL SWITCH 1 CIRCUIT LOW as active?
  
  Yes
  - Go To 4
  No
  - Replace the Steering Wheel Harness in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CLOCKSPRING INTERNAL SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the SCM C2 harness connector.
3. Turn the ignition on.
4. With the scan tool, read DTCs.
  Does the scan tool display P0580-00-SPEED CONTROL SWITCH 1 CIRCUIT LOW as active?
  
  Yes
  - Go To 5
  No
  - Replace the Clockspring/SAS in accordance with the Service Information. Refer to CLOCKSPRING, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
(V71) S/C SWITCH SENSE 1 CIRCUIT SHORTED TO GROUND IN THE BODY HARNESS
1. Turn the ignition off.
2. Disconnect the SCM C3 harness connector.
3. Measure the resistance between ground and the (V71) S/C Switch Sense 1 at the SCM C3 harness connector.
  Is the resistance below 10K Ohms?
  
  Yes
  - Repair the short to ground in the body harness on (V71) S/C Switch Sense 1 circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  
  WARNING:
  Turn the ignition off disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
  
  WARNING:
  Do not place an intact non-deployed airbag face down on a hard surface, the airbag propels into the air if accidentally deployed. Failure to follow these instructions may result in possible serious or fatal injury.
  - Replace the Clockspring/SAS in accordance with the Service Information. Refer to CLOCKSPRING, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .