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Home >> Suzuki >> 1992 >> Swift GT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Ignition Checks >> Idle Speed & Ignition Timing
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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.
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