1998 Suzuki Swift AutomaticFACTORY OEM SERVICE PROCEDURE

Idle Speed & Ignition Timing

Ensure idle speed and base ignition timing are set to specification. See the following tables:

If necessary, see ADJUSTMENTS article for adjustment procedures. If scan tool is available, check for correct IAC duty. See IAC DUTY AT SPECIFIED IDLE SPEEDΒ  table.

IDLE SPEED SPECIFICATIONS

Application Idle RPM
Esteem
A/C Off
Automatic Transaxle
"P" Or "N" 700-800
"R", "D", "2" Or "L" 650-750
Manual Transaxle 650-750
A/C On
Automatic Transaxle
"P" Or "N" 800-900
"R", "D", "2" Or "L" 750-850
Manual Transaxle 800-900
Sidekick & X-90
A/C Off 750-850
A/C On
Automatic Transaxle
"P" Or "N" 850-950
"R", "D", "2" Or "L" 750-850
Manual Transaxle 850-950
Swift (1) 800-900
(1) Checked with A/C off.
IAC DUTY AT SPECIFIED IDLE SPEED (1)

Application (2) Percent
Esteem 5-25
Sidekick 1.6L & X-90 40-60
Sidekick 1.8L 30-45
Swift 8-25
(1) See IDLE SPEED SPECIFICATIONSΒ  table.
(2) Engine at normal operating temperature with A/C off (if equipped).
IGNITION TIMING (Degrees BTDC @ RPM) (1)

Application Man. Trans. Auto. Trans.
Esteem (2) 2-8 @ 650-750 (2) 2-8 @ 700-800
Sidekick 1.6L & X-90 (3) 4-6 @ 750-850 (3) 4-6 @ 750-850
Sidekick 1.8L (4) 4-6 @ 750-850 (4) 4-6 @ 750-850
Swift (5) 2-8 @ 800-900 (5) 2-8 @ 800-900
(1) See ADJUSTMENTS article for adjustment procedures.
(2) With jumper wire installed between terminals "D" and "E" of test connector, located in relay box. See Fig 1 .
(3) With jumper wire installed between terminals "D" and "E" of test connector, located near coolant recovery bottle. See Fig 2 .
(4) With jumper wire installed between terminals No. 4 and 5 of test connector, located next to left strut tower. See Fig 3 .
(5) With jumper wire installed between test switch terminal and ground terminal of test connector, located behind glove box. See Fig 4 .
Fig 1: Identifying Test Connector Terminals (Esteem)
G96F09866Courtesy of SUZUKI OF AMERICA CORP.
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:

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

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