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Idle Speed

NOTE: DO NOT  adjust idle speed in areas above 8200 ft. elevation.
  1. Place transaxle in Park (A/T) or Neutral (M/T) and apply parking brake. Ensure throttle cable has at least .4-.6" (10.-15. mm) of slack in cable. Adjust throttle cable slack (if necessary).
  2. Ensure all emission hoses, electrical connections and air cleaner are properly installed. Ensure ignition timing is within specification. See IGNITION TIMING  . Ensure all accessories are off. Remove cover from idle speed adjusting screw.
  3. Start engine and warm to normal operating temperature. Accelerate engine so engine speed exceeds 1500 RPM, then allow to idle. Connect scan tester to duty check Data Link Connector (DLC). On TBI model, connect a jumper wire between duty check DLC terminals "B" (Blue/Yellow wire), located near fusible link box by the battery and ground. See Figure .
  4. On MFI models, connect a jumper wire between duty check DLC terminals No. 2 (Blue/Yellow wire) and No. 4 (Black wire), located near fusible link box by the battery. See Figure . On all models, idle speed should be within specification. See IDLE SPEED SPECIFICATIONS  .
  5. If idle speed requires adjustment, turn idle speed adjusting screw to obtain correct idle speed. See Fig 1 or Fig 2 .
  6. On A/C-equipped models, turn A/C to low speed. With A/C operating, idle speed should be within specification. See the IDLE SPEED SPECIFICATIONS  .
  7. If idle speed requires adjustment, turn idle speed adjusting screw to obtain correct idle speed. See Fig 1 or Fig 2 .
  8. On all models, turn engine off. Remove jumper wire from duty check DLC. Install idle speed adjusting screw cover (if removed) and remove scan tester.
IDLE SPEED SPECIFICATIONS (1)

Application (2) Idle RPM
With A/C Off 750-850
With A/C On (3) 950-1050
(1) Transaxle/transmission in Neutral or Park.
(2) Idle speed is checked with scan tool and a jumper wire connected between duty check data link connector terminal No. 2 (Blue/Yellow wire), diagnostic request and terminal No. 3 (TBI) or No. 4 (SFI), (Black wire) ground.
(3) Idle speed should be 750-850 RPM in any gear.
Fig 1: Idle Speed Adjusting Screw (TBI)
G95F30820
Fig 2: Idle Speed Adjustment Screw (SFI)
G92D26099Courtesy of SUZUKI OF AMERICA CORP.
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