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Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. 1:  The Vehicle Diagnostic System Check must be performed or misdiagnosis will occur.
  2. 4:  The remote start enable procedure is contained in the Starting System Description and Operation.
Remote Start Does Not Work

Step Action Yes No
Schematic Reference: Starting and Charging Schematics 
Connector End View Reference: Engine Electrical Connector End Views 
DEFINITION: The remote vehicle start function does not operate.
1  Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2 Momentarily turn the ignition key to the start position.
Does the starter relay click?		 Go to Step 3  Go to Starter Solenoid Does Not Click 
3
  1. Remove the ignition key from the ignition switch.
  2. Press the lock button on the remote keyless entry fob.
Do the vehicle doors lock?		 Go to Step 4  Go to Keyless Entry System Inoperative in Keyless Entry
4 
  1. Turn ON the ignition, with the engine OFF.
  2. Press the driver information center (DIC) menu button until Remote Start appears on the display.
  3. Observe the DIC display.
Does the DIC display Off?		 Go to Starting System Description and Operation  Go to Step 5 
5
  1. Install a scan tool.
  2. Observe the Remote Start Disable, a parameter in the Keyless Entry BCM Remote Start Disable History Data list.
Does the scan tool indicate that Ext. Crank is displayed?		 Go to Engine Cranks but Does Not Run in Engine Controls - 3.5L (LX9). Go to Step 6 
6 Observe the Remote Start Disable B parameter in the Keyless Entry BCM Remote Start Disable History Data list.
Does the scan tool indicate that Battery Voltage is displayed?		 Go to Battery Inspection/Test  Go to Step 7 
7 Observe the Remote Start Disable B parameter.
Does the scan tool indicate that Power Mode is displayed?		 Go to Power Mode Mismatch in Computer/Integrating Systems Go to Step 8 
8 Inspect for poor connections at the harness connector of the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 10  Go to Step 9 
9
IMPORTANT: Perform the setup procedure for the BCM.
Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.Did you complete the replacement?		 Go to Step 10  -
10 Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 5 
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