Test Procedure
-- Perform a preliminary check to verify the customers complaint. Refer to PRELIMINARY CHECK
Start diagnosis
-- Remove the engine cover. Refer to the Repair Information.
NOTE:
Before disconnecting the Knock Sensor electrical harness connectors, mark the component location.
-- Disconnect the Knock Sensor (KS) 1 -G61- electrical harness connector or the Knock Sensor (KS) 2 -G66- electrical harness connector.
Checking internal resistance
-- Using a multimeter, check the Knock Sensor terminals 1 to 3 for an internal short.
Specified value: ∞ (Infinity or OL reading).
If the specified value was Not obtained:
-- Replace the shorted Knock Sensor (KS) 1 -G61- /Knock Sensor (KS) 2 -G66-.
If the specified value was obtained: