## Tailpipe Emissions Test

1. | Connect a tachometer.

2. | Start the engine. Hold the engine speed at 3,000 rpm (min-1) without load (in Park or neutral) until the radiator fan comes on, then let it idle.

3. | Check the idle speed.

4. | Warm up and calibrate the CO meter according to the meter manufacturer¢s instructions.

5. | Check idle CO with the headlights, heater blower, rear window defogger, cooling fan, and air conditioner off. Specified CO %: Except IN model: 0.1 % maximum IN model: 1.0±1.0 % If unable to obtain this reading: IN model, adjust by turning the adjusting screw (A) of the IMA. Except IN model, see DTC troubleshooting. If unable to obtain a CO reading of specified % by this procedure, check the tune-up condition.