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 SECONDARY TEST /TEST 1 - CHECK FIRING ORDER this will indicate proper testing sequence. The following is a description of the testing procedures.

SECONDARY TEST


TEST 1 - CHECKING FIRING ORDER
TEST 2 - SPARK TEST AT PLUGS
TEST 3 - SECONDARY DISPLAYS
TEST 4 - SPARK FROM COIL
TEST 5 - DISTRIBUTOR ASSEMBLY
TEST 6 - SPARK PLUG WIRE RESISTANCE
TEST 7 - SPARK PLUG CHECK

PRIMARY TEST


TEST 1 - SPARK CHECK
TEST 2 - ELECTRONIC CONTROL UNIT (ECU) SHORT CHECK
TEST 3 - COIL CHECK
TEST 4 - ECU VOLTAGE CHECK
TEST 5 - PICK-UP COIL CONTINUITY CHECK
TEST 6 - DUAL PICK-UP START-RUN RELAY CHECK
TEST 7 - PICK-UP COIL SHORT CHECK
TEST 8 - ECU GROUND CHECK