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Fast Idle Control System On-Vehicle Inspection

Fast Idle Control System On-Vehicle Inspection

1) Using scale and mirror, measure plunger (1) protrusion "a" at engine coolant temp. is 25 °C (77 °F).

Plunger protrusion
"a" = 26.6 - 27.4 mm (1.048 - 1.078 in.)

2) Warm up engine and check to make sure that fast control cam (2) is off cam follower lever (3) at engine coolant temp. is 52 - 68 °C (126 - 154 °F) or higher. If malfunction is found, replace throttle body.