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Ignition Timing: Civic

NOTE: Information not available from manufacturer for Civic HX (D17A6 engine).
  1. Set parking brake. Connect tachometer. Start engine and ensure idle speed is correct. See IDLE SPEED & MIXTURE . Turn ignition off and connect scan tool to Data Link Connector (DLC), located at bottom of instrument panel on right side of steering column. See Figure. Follow scan tool prompts. Run engine at 3000 RPM with no electrical loads (headlights, blower motor, rear defogger, A/C and cooling fan off) and transmission in Park or Neutral. When radiator cooling fan comes on, allow engine to idle.
  2. Remove ignition coil cover. Connect timing light to No. 1 ignition coil wire. Check base ignition timing with no electrical loads. See IGNITION TIMING (DEGREES BTDC - RED MARK @ RPM)  table. Timing marks are located on timing belt cover and crankshaft pulley. See Figure. Timing is controlled by Powertrain Control Module (PCM). If timing is not as specified, replace PCM. See REMOVAL, OVERHAUL & INSTALLATION article. Turn ignition off and remove scan tool.
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