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Diagnosis Procedure
1.CHECK INPUT CIRCUIT
  1. Ignition switch OFF.
  2. Disconnect combination switch connector.
  3. Ignition switch ON.
  4. Check voltage between combination switch harness connector and ground.
    Switch signal+−Voltage
    Combination switch
    ConnectorTerminal
    Input 1M281Ground9 – 16 V
    Input 23
    Input 34
    Input 46
    Input 58
    Input 613
Is the inspection result normal?
: Replace combination switch. Refer to Removal and Installation.
: .
 
2.CHECK INPUT CIRCUIT FOR OPEN
  1. Ignition switch OFF.
  2. Disconnect BCM connector.
  3. Check continuity between BCM harness connector and combination switch harness connector.
    Switch signalBCMCombination switchContinuity
    ConnectorTerminalConnectorTerminal
    Input 1M1967M281Existed
    Input 2683
    Input 3694
    Input 4706
    Input 5718
    Input 67213
Is the inspection result normal?
.
Repair harness or connector.
 
3.CHECK INPUT CIRCUIT FOR SHORT
Check continuity between BCM harness connector and ground.
Switch signalBCM—Continuity
ConnectorTerminal
Input 1M1967GroundNot existed
Input 268
Input 369
Input 470
Input 571
Input 672
Is the inspection result normal?
Replace BCM. Refer to Removal and Installation.
Repair harness or connector.