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Pin Voltage Diagnosis

CAUTION: DO NOT connect voltmeter to ECM with ECM connectors disconnected.
  1. Ensure battery has a minimum of 11 volts with ignition switch in the ON position. Turn ignition off and remove ECM.
  2. ECM is located under left side of dash. Ground ECM case. With wiring harness connectors connected, use voltmeter to confirm correct voltage at each terminal. See Fig 1 through Figure .
Fig 1: Identifying ECM Connector Terminals (Samurai, Sidekick)
G90I20220Courtesy of SUZUKI OF AMERICA CORP.