1992 Suzuki Swift GA, 2D Hatchback, AutomaticFACTORY OEM SERVICE PROCEDURE

Idle Speed & Ignition Timing

Ensure idle speed and base ignition timing are set to specification. If necessary, see ADJUSTMENTS article in the ENGINE PERFORMANCE Section.

IDLE SPEED SPECIFICATIONS (1)

Application Idle RPM
DOHC
With A/C Off 800-900
With A/C On (2) 850-950
SOHC
With A/C Off
A/T 800-900
M/T 700-800
With A/C On
A/T (3) (2) 800-900
M/T (3) (2) 700-800
A/T & M/T (4) 850-950
(1) Idle speed specification is with transaxle or transmission in Neutral or Park.
(2) A/C idle speed is adjusted by rotating adjusting screw on A/C Vacuum Switching Valve (VSV).
(3) When ECM part number ends with "0".
(4) When ECM part number ends with number other than "0".
IGNITION TIMING (Degrees BTDC @ RPM)

Application Man. Trans. Auto. Trans.
DOHC (1) 5-7 @ 800-900 (1) 5-7 @ 800-900
SOHC (1) 4-6 @ 750 (1) 4-6 @ 850
(1) With jumper wire installed between terminals "D" and "E" of test connector, located near ignition coil. See Figure & 2.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.