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16 CHECK “CO” % 1. Start engine and warm it up until engine coolant temperature indicator points to the middle of gauge. AEC692 2. Rev engine (2,000 to 3,000 rpm) two or three times under no-load, then run engine at idle speed. SEF978U 3. Check “CO” %. Idle CO: Less than 11% 4. Without CONSULT-II After checking CO%, a. Disconnect the resistor from terminals of engine coolant temperature sensor. OK or NG OK © GO TO 17. NG © GO TO 18. GI MA EM LC FE CL MT AT AX SU BR ST RS BT HA SC EL IDX BASIC SERVICE PROCEDURE Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment (Cont’d) EC-63 |