Idle Speed (TBI)
- Start engine and warm to normal operating temperature. Install spare fuse into diagnosis terminal of fuse box and ensure CHECK ENGINE light indicates Code 12. See Fig 1
.
- Turn engine off and connect Duty Meter (99963-00006) to test connector terminals "A" (Violet wire) and "C" (ground terminal-Black/Green wire). Test connector is located near battery. Turn ignition on and wait 5 seconds. See Figure
.
- Start engine, run at 2000 RPM for 5 minutes, then return to idle. Using Duty Meter (99963-00006), ensure idle speed and ISC duty percentage are within specification. See IDLE SPEED SPECIFICATIONS
table. 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 2
.
- When idle speed and ISC duty percentage are within specification and vehicle is A/C equipped, proceed to step 5). If vehicle is not A/C equipped, reinstall idle speed adjusting screw protective cap to throttle body and remove spare fuse from diagnosis terminal. Remove Duty Meter (99963-00006) from test connector and reinstall cap.
- Turn A/C on and set fan switch to LOW position. Check idle speed and ISC duty percentage to be within specification with A/C on. See IDLE SPEED SPECIFICATIONS
table. If idle speed and/or ISC duty percentage is not within specification, turn A/C VSV adjusting screw to adjust idle to specification. See Fig 3
.
Courtesy of SUZUKI OF AMERICA CORP.
Courtesy of SUZUKI OF AMERICA CORP.
Courtesy of SUZUKI OF AMERICA CORP.