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Idle Speed & Ignition Timing

Ensure idle speed and ignition timing are set to specification. For adjustment procedures, see ADJUSTMENTS article in this section.

IDLE SPEED SPECIFICATIONS (1)

Application RPM
Civic
1.5L 575-675
1.6L 500-600
After ECU Reset
1.5L
No Load 700-800
Under Load 760-860
1.6L
No Load 700-800
Under Load
2WD 760-860
4WD
M/T 760-860
A/T 780-880
CRX
1.5L PFI 450-550
1.5L TBI 575-675
1.6L PFI 500-600
After ECU Reset
1.5L PFI
No Load
California 600-700
Federal 550-650
Under Load 700-800
1.5L TBI & 1.6L PFI
No Load 700-800
Under Load 760-860
(1) Idle speed is set at operating temperature with headlights and cooling fan off and automatic transmission in Drive.
IGNITION TIMING (Degrees BTDC@RPM)

Application Setting
Civic 16-20@700-800
CRX
1.5L PFI (1) 12-16@550-650
1.5L TBI 16-20@675-775
1.6L PFI 16-20@700-800
(1) 600-700 RPM on California vehicles.