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Home >> Chevrolet >> 2012 >> Camaro LS, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays And Gauges >> Diagnostic Information and Procedures >> Driver Information Center Switch Malfunction >> Circuit/System Testing

Circuit/System Testing

Menu Switch Malfunction

  1. Ignition OFF and all vehicle systems OFF, disconnect the harness connector at the S78 Turn Signal/ Multifunction Switch. It may take up to 2 minutes for all vehicle systems to power down.
  2. Test for 4.8-5.2 V between the signal circuit terminal 5 and ground.
    • If less than 4.8 V 
    1. Ignition OFF, disconnect the harness connector at the P16 instrument cluster.
    2. Test for infinite resistance between the signal circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance
    3. Test for less than 2 Ω in the signal circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the P16 instrument cluster.
    • If greater than 5.2 V 
    1. Ignition OFF, disconnect the harness connector at the P16 instrument cluster, ignition ON.
    2. Test for less than 1 V between the signal circuit and ground.
      • If 1 V or greater, repair the short to voltage on the circuit.
      • If less than 1 V, replace the P16 instrument cluster.
    • If between 4.8-5.2 V 
  3. Test for less than 10 Ω between the ground circuit terminal 3 and ground.
    • If 10 Ω or greater 

      Repair the open/high resistance in the circuit

    • If less than 10 Ω 
  4. Test or replace the S78 Turn Signal/ Multifunction Switch.

Set, Up and Down Switch Malfunction

  1. Ignition OFF and all vehicle systems OFF, disconnect the harness connector at the S78 Turn Signal/ Multifunction Switch. It may take up to 2 minutes for all vehicle systems to power down.
  2. Test for less than 10 Ω between the low reference circuit terminal 6 and ground.
    • If 10 Ω or greater 
    1. Ignition OFF, disconnect the harness connector at the P16 instrument cluster.
    2. Test for less than 2 Ω in the low reference circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the P16 instrument cluster.
    • If less than 10 Ω 
  3. Test for 11.8-12.2 V between the signal circuit terminal 12 and ground.
    • If less than 11.8 V 
    1. Ignition OFF, disconnect the harness connector at the P16 instrument cluster.
    2. Test for infinite resistance between the signal circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance
    3. Test for less than 2 Ω in the signal circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the P16 instrument cluster.
    • If greater than 12.2 V 
    1. Ignition OFF, disconnect the harness connector at the P16 instrument cluster, ignition ON.
    2. Test for less than 1 V between the signal circuit and ground.
      • If 1 V or greater, repair the short to voltage on the circuit.
      • If less than 1 V, replace the P16 instrument cluster.
    • If between 11.8-12.2 V 
  4. Test or replace the S78 Turn Signal/ Multifunction Switch.
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