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Home >> Chevrolet >> 2021 >> Blazer RS, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel And Console Trim >> Diagnostic Information and Procedures >> Instrument Panel Compartment Door Latch Release Malfunction >> Component Testing

Component Testing

S86 Vehicle Stability Control Switch

  1. Ignition/Vehicle - Off
  2. Disconnect the electrical connector: S86 Vehicle Stability Control Switch
  3. Test for infinite resistance between the test points: Signal terminal 2 & Ground terminal 6 - Not Pressed
    • If less than infinite resistance 

      Replace the component: S86 Vehicle Stability Control Switch

    • Go to next step: If infinite resistance 
  4. Test for less than 3 ohms between the test points: Signal terminal 2 & Ground terminal 6 - Pressed
    • If 3 ohms or greater 

      Replace the component: S86 Vehicle Stability Control Switch

    • Go to next step: If less than 3 ohms 
  5. All OK.

M91 Instrument Panel Compartment Door Unlatch Actuator-Dynamic Test

  1. Ignition/Vehicle - Off
  2. Disconnect the electrical connector: M91 Instrument Panel Compartment Door Unlatch Actuator
  3. Connect a jumper wire between the test points: Ground terminal 2 & Ground
  4. Momentarily connect a 10 A fused jumper wire between the test points: Control terminal 1 & 12 V

    Verify the component turns On and Off when connecting and disconnecting the jumper wire: M91 Instrument Panel Compartment Door Unlatch Actuator

    • If the component does not turn On and Off 

      Replace the component: M91 Instrument Panel Compartment Door Unlatch Actuator

    • Go to next step: If the component turns On and Off 
  5. All OK.