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Home >> Chevrolet >> 2019 >> Suburban 3500 HD LS >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel Trim And Console Trim >> Diagnostic Information and Procedures >> Instrument Panel Compartment Door Latch Release Malfunction >> Component Testing

Component Testing

Instrument Panel Compartment Door Release Switch

  1. Ignition OFF, disconnect the harness connector at the S48D Multifunction Switch 2 - Instrument Panel.
  2. Test for infinite resistance between the signal terminal 7 and the ground terminal 1 with the switch in the open position.
    • If less than infinite resistance 

      Replace the S48D Multifunction Switch 2 - Instrument Panel.

    • Go to next step: If infinite resistance 
  3. Test for less than 3 Ω between the signal terminal 7 and the ground terminal 1 with the switch in the closed position.
    • If 3 Ω or greater 

      Replace the S48D Multifunction Switch 2 - Instrument Panel.

    • Go to next step: If less than 3 Ω 
  4. All OK.

Instrument Panel Compartment Door Release Actuator

  1. Ignition OFF, disconnect the harness connector at the M91 Instrument Panel Compartment Door Unlatch Actuator.
  2. Install a 10 A fused jumper wire between the control terminal 1 and 12 V. Install a jumper wire between the ground terminal 2 and ground.
  3. Verify the M91 Instrument Panel Compartment Door Unlatch Actuator activates.
    • If the M91 Instrument Panel Compartment Door Unlatch Actuator does not activate. 

      Replace the M91 Instrument Panel Compartment Door Unlatch Actuator.

    • Go to next step: If the M91 Instrument Panel Compartment Door Unlatch Actuator does activate. 
  4. All OK.