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Idle Speed

NOTE: DO NOT  adjust idle speed in areas above 8200 ft. elevation.
Fig 1: Locating Idle Speed Adjusting Screw
G90C20786Courtesy of SUZUKI OF AMERICA CORP.
Fig 2: Locating A/C VSV Adjusting Screw
G90D20787Courtesy of SUZUKI OF AMERICA CORP.
IDLE SPEED SPECIFICATIONS (1)

Application Idle RPM
With A/C Off 750-850
With A/C On (2) 950-1050
(1) Idle speed specification is with transaxle or transmission in Neutral or Park.
(2) With automatic transmission in gear, idle RPM is 750-850.
ISC DUTY AT SPECIFIED IDLE SPEED (1)

Application On Duty Percent
Sidekick 50
(1) Refer to IDLE SPEED SPECIFICATIONS  table.
  1. Start engine, and warm it to operating temperature. Turn all accessories off. Ensure all fuel and emission control system wire connectors and hoses are properly connected. Ensure accelerator cable has free play at throttle body. Ensure ignition timing is correct. See IGNITION TIMING  table under IGNITION TIMING. Ensure air cleaner and ducts are properly installed and air filter element is in good condition.
  2. Connect service wire between terminals "B" (diagnosis switch) and "C" (ground) of monitor coupler. See Figure . Ensure CHECK ENGINE light indicates Code 12. Turn engine off, and connect Duty Meter (99963-00006) to monitor coupler duty terminals "A" (output) and "C" (ground). Test connector is located near battery. Connect tachometer.
  3. Start engine, and warm it to operating temperature. Ensure idle speed and ISC duty percentage are within specification. See the IDLE SPEED SPECIFICATIONS  and ISC DUTY AT SPECIFIED IDLE SPEED  tables. If idle speed and/or ISC duty percentage require adjustment, remove idle speed adjusting screw protective cap on throttle body. Turn idle speed adjusting screw to adjust idle to specification. See Fig 1 .
  4. When idle speed and ISC duty percentage are as specified and vehicle is equipped with A/C, go to next step. If vehicle is not equipped with A/C, reinstall idle speed adjusting screw protective cap to throttle body and remove service jumper wire. Remove duty meter from monitor coupler, and reinstall cap.
  5. Turn A/C on, and set fan switch to LOW position. Check idle speed and ISC duty percentage with A/C on. If idle speed and ISC duty percentage are not as specified, turn A/C VSV adjusting screw to adjust idle to specification. See Fig 2 .