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Home >> Saturn >> 2007 >> Ion Red Line >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Cruise Control System) >> Diagnostic Information and Procedures >> DTC P0573 (2.2L) >> Test Description

Test Description

WARNING: This page is about a different car, the 2004 Saturn Ion Red Line, 2004 Saturn Ion 3, 2004 Saturn Ion 2, and 2004 Saturn Ion 1. However, it is still accessible from the selected car via links, so may be relevant.

The number below refers to the step number on the diagnostic table.

  1. 2:  This step determines if the fault is present.
DTC P0573 (2.2L)

Step Action Yes No
Connector End View References:  Cruise Control Connector End Views  
1 Did you perform the Diagnostic System Check - Cruise Control? Go to Step 2  Go to Diagnostic System Check - Cruise Control (2.2L)  or Diagnostic System Check - Cruise Control (2.0L) 
2 
  1. Connect a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. Monitor the cruise brake switch parameter in the engine control module (ECM) data list while depressing the brake pedal.
Does the cruise brake switch parameter indicate Released?		 Go to Step 3  Go to Diagnostic Aids
3
  1. Turn OFF the ignition.
  2. Disconnect the TCC/brake switch harness connector.
  3. Turn ON the ignition, with the engine OFF.
  4. Observe the cruise brake switch parameter in the idle/speed control data list.
Does the cruise control brake switch parameter indicate Applied?		 Go to Step 5  Go to Step 4 
4 Inspect TCC brake switch/cruise control release signal circuit for a short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the problem?		 Go to Step 7  -
5 Inspect the TCC/brake switch for proper adjustment. Refer to Cruise Release Switch Adjustment .
Did you find and correct the condition?		 Go to Step 7  -
6 Replace the TCC/brake switch. Refer to Cruise Release Switch Replacement .
Did you complete the repair?		 Go to Step 7  Go to Step 6 
7
  1. Use a scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC reset?		 Go to Step 2  System OK
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