LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1854 (Shift Lock Control System) >> Diagnostic Information and Procedures >> Shift Lever Does Not Move with Brake Pedal Depressed

Shift Lever Does Not Move with Brake Pedal Depressed

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Shift Lever Does Not Move with Brake Pedal Depressed

Step Action Yes No
Schematic Reference: Shift Lock Control Schematics 
Connector End View Reference: Shift Lock Control Connector End Views 
DEFINITION: Transmission shift lever will not move out of the PARK position with the Ignition ON and the brake pedal pressed.
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2
  1. Turn ON the ignition, with the engine OFF.
  2. Press and hold the brake pedal.
  3. Attempt to move the shift lever out of the PARK position.
Does the shift lever move out of the PARK position?		 Go to Testing for Intermittent Conditions and Poor Connections Go to Step 3 
3
  1. Turn OFF the ignition.
  2. Install a scan tool.
  3. Turn ON the ignition, with the engine OFF.
  4. Press and hold the brake pedal.
  5. With the scan tool, turn the Brake to Shift Relay output control ON.
  6. Attempt to move the shift lever out of the PARK position.
Does the shift lever move out of the PARK position?		 Go to Step 4  Go to Step 6 
4
  1. With the scan tool, observe the Brake Switch parameter in the engine control module (ECM)/powertrain control module (PCM) data list.
  2. Press and release the brake pedal several times while observing the scan tool.
Does the brake input display Applied and Released with the brake pedal operation?		 Go to Step 5  Go to Diagnostic Starting Point - Lighting Systems
5 With the scan tool observe the Transmission Range or TR Sw. parameter in the ECM/PCM data list.
Does the scan tool indicate PARK position?		 Inspect the BCM Go to Diagnostic Starting Point - Engine Controls for the 2.2L (L61) engine
or
Diagnostic Starting Point - Engine Controls for the 3.5L (L66) engine
6
  1. Turn OFF the ignition.
  2. Disconnect the harness connector of the automatic transmission shift lock control solenoid.
  3. Turn ON the ignition, with the engine OFF.
  4. Press and hold the brake pedal.
  5. Attempt to move the shift lever out of the PARK position.
Does the shift lever move out of the PARK position?		 Go to Step 7  Go to Step 8 
7 Test the controlled ground circuit of the automatic transmission shift lock control solenoid for a short to ground. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 Go to Step 12  Go to Step 9 
8 Inspect for poor connections as the harness connector of the automatic transmission shift lock control solenoid. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 12  Go to Step 10 
9 Inspect for poor connections as the harness connector of the BCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 12  Go to Step 11 
10 Replace the automatic transmission shift lock control solenoid. Refer to Automatic Transmission Shift Lock Actuator Replacement .
Did you complete the replacement?		 Go to Step 12  -
11
IMPORTANT: Perform the setup procedure for the BCM.
Replace the BCM. Refer to Control Module References for replacement, setup, and programming.Did you complete the replacement?		 Go to Step 12  -
12 Operate the system in order to verify the repair.
Did you find and correct the condition?		 System OK Go to Step 3 
scientia non olet · About LEMON Manuals