Diagnostic Notes - Read Before Proceeding

Before starting TEST 1 check the following.

- Verify proper Fuel Delivery (Fuel System).

- Verify engine is functioning properly i.e.. Compression Test, Rotor Rotation and Timing Belt or Chain routing.


- Move all primary wires, connectors and battery cables by pushing, pulling and twisting by hand. If any bad connectors or corroded connections are found, make necessary repairs to wire or connector.

- Disconnect secondary wire from ignition coil. Inspect the coil, distributor cap, rotor and ignition wires for cracks or carbon tracking. Replace components as needed. Check vehicle's maintenance schedule to ensure spark plugs and wires have been properly maintained.

- START TESTING with TEST 1 - CHECKING FIRING ORDER this will indicate proper testing sequence. The following is a description of the testing procedures.

TEST 1 - CHECKING FIRING ORDER
TEST 2 - SPARK TEST AT PLUGS
TEST 3 - SECONDARY DISPLAYS
TEST 4 - SPARK FROM COIL
TEST 5 - CHECK DISTRIBUTOR ASSEMBLY
TEST 6 - SPARK PLUG WIRE RESISTANCE
TEST 7 - VOLTAGE CHECK AT IGNITION COIL
TEST 8 - IGNITION COIL RESISTANCE
TEST 9 - SPARK PLUG CHECK
TEST 10 - IGNITION RELAY CHECK
TEST 11 - IGNITION CONTROL MODULE
TEST 12 - CRANKSHAFT POSITION SENSOR CHECK