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Check The Power Source Of ESC Control Module

  1. Disconnect the connector from the ESC control module.
  2. Turn the ignition switch ON, measure the voltage between terminal 29 of the ESC control module harness side connector and body ground.

    Specification:  approximately B+

    Fig 1: Measuring Voltage Between Terminal 29 Of ESC Control Module Harness Side Connector And Body Ground
    G12091164
  3. Is voltage within specification?

    YES 

    • Check for poor ground.

    NO 

    • Check the harness or connector between the fuse (10A) in the engine compartment junction block and the ESC control module. Repair if necessary.
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