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Warning Controller: Esteem

  1. Disconnect warning controller harness connector E20. Connect ground to connector E20, terminals No. 3 and 1 of warning controller. Connect positive battery voltage to connector E20, terminals No. 6 and 2 of warning controller. See Fig 1 . If buzzer sounds for 4-8 seconds, go to next step. If buzzer does not sound for 4-8 seconds, replace warning controller.
  2. Connect positive battery voltage to connector E20, terminal No. 6 of warning controller. Connect ground to connector E20, terminals No. 1 and 2. If buzzer sounds constantly, go to next step. If buzzer does not sound constantly, replace warning controller.
  3. Disconnect warning controller harness connectors G34 and L04. Connect positive battery voltage to connector G34, terminal No. 6 of warning controller. Connect ground to connector L04, terminals No. 5 and connector E20, terminal No. 1. If buzzer sounds constantly, controller is operating properly at this time. If buzzer does not sound constantly, replace warning controller.
Fig 1: Testing Warning Controller (Esteem)
G98E03920Courtesy of SUZUKI OF AMERICA CORP.