Initial Inspection and Diagnostic Overview
SPARK TESTNOTE: Perform this test to check that voltage is coming from the ignition coil to spark plug.
1. DISCONNECT NO.1 AIR CLEANER HOSE
2. DISCONNECT FOLLOWING CABLES:
(a) Cruise control cable
(b) Accelerator cable
(c) (A/T)
Throttle cable
3. REMOVE ISC PIPE
(a) Disconnect the six hoses from ISC pipe.
(b) Remove the two bolts and ISC pipe.
4. REMOVE PCV PIPE WITH HOSES
(a) Remove the oxygen sensor wire from two clamps.
(b) Disconnect the No.4 PCV hose from PCV pipe.
(c) Remove the two bolts.
(d) Disconnect the PCV pipe with hoses from cylinder head covers and throttle body.
5. REMOVE INTAKE AIR CONNECTOR
(a) Disconnect the air valve hose from intake air connector.
(b) Loosen the clamp and remove the two bolt.
(c) Remove the intake air connector.
6. REMOVE IGNITION COIL COVER
(a) Remove the oil filler cap.
(b) Remove the five nuts and ignition coil cover.
7. REMOVE IGNITION COIL WITH BRACKET
(a) Remove the nut.
(b) Disconnect the No.1 and No.2 high-tension cords from ignition coil and clamp.
(c) Remove the ignition coil with bracket and high-tension cords.
(d) Remove the No.1 and No.2 high-tension cords from spark plugs.
8. REMOVE SPARK PLUGS
9. PERFORM SPARK TEST
(a) Install the oil filler cap.
(b) Install the spark plugs to each high-tension cord.
(c) Ground the spark plug.
(d) Disconnect the solenoid resister and cold start injector connector.
(e) See if spark occurs while engine is being cranked.