Ignition Timing: Inspection

Allow the engine to warm up to normal operating temperature.

1. Connect the hand-held tester or OBD II scan tool to the DLC3.
Fig 1: Connecting Hand-Held Tester To DLC3
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2. Please refer to the hand-held tester or OBD II scan tool operator's manual for further details.

Connect the tester probe of a timing light to the wire of the ignition coil connector for No. 1 cylinder.

1. Race the engine speed at 2,500 RPM for approx. 90 seconds.
2. Check the idle speed.
   1. Idle speed: 700 +/- 50 RPM 
   Fig 2: Checking Idle Speed

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Using a timing light, check the ignition timing.

Fig 3: Checking Ignition Timing

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1. Ignition timing: 5-15° BTDC @ idle (Transmission in neutral position)