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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1364 (Shift Interlock System) >> Diagnostic Information and Procedures >> Shift Lever Can Be Moved without Brake Pedal Depressed

Shift Lever Can Be Moved without Brake Pedal Depressed

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
Shift Lever Can Be Moved without Brake Pedal Depressed

Step Action Yes No
Schematic Reference: Automatic Transmission Shift Lock Control Schematics 
Connector End View Reference:  Automatic Transmission Shift Lock Control Connector End Views   or  Lighting Systems Connector End Views  in Lighting Systems 
1 Did you perform the Symptoms- Automatic Transmission Shift Lock Control tests and perform all the necessary inspections? Go to Step 2  Go to Symptoms - Automatic Transmission Shift Lock Control 
2
  1. Turn ON the ignition, with the engine OFF.
  2. Apply the parking brake and block the wheels.
  3. Attempt to move the shift lever out of the PARK position.
Does the shift lever move out of the PARK position?
Go to Step 3  Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
3 Connect a test lamp between the automatic transmission shift lock control input signal circuit at the harness connector of the automatic transmission shift lock control module and a good ground.
Does the test lamp illuminate?
Go to Step 5  Go to Step 4 
4 Inspect for poor connections at the harness connector of the automatic transmission shift lock control module. 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 7  Go to Step 6 
5 Repair the short to voltage in the automatic transmission shift lock control input signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you complete the repair?
Go to Step 7  -
6 Replace the shift lock control module. Refer to Shift Lock Control Module Replacement .
Is the repair complete?
Go to Step 7  -
7 Operate the system in order to verify the repair.
Did you find and correct the condition?
System OK Go to Step 3