Ignition Coil Check

Remove ignition coil cover. Disconnect 6 ignition coil 3-pin connectors. Turn ignition on. Measure voltage between ground and each ignition coil connector terminal No. 3 (Black/Yellow wire). If battery voltage is present, go to next step. If battery voltage is not present, repair open circuit in Black/Yellow wire between ignition coil and 15-amp fuse No. 11 located in underdash fuse/relay box.
Turn ignition off. Measure continuity between ignition coil 3-pin connector terminal No. 2 (Black wire) and ground. If continuity is present, go to next step. If continuity is present, repair open circuit in Black wire between ignition coil and ground.

Disconnect PCM 31-pin connector. Measure continuity between PCM 31-pin connector terminals and ground. See PCM 31-PIN CONNECTOR TERMINAL IDENTIFICATION table. If continuity is present between designated PCM connector terminal and ground, repair short circuit in appropriate wire between ignition coil and PCM. If continuity is not present, go to next step.

PCM 31-PIN CONNECTOR TERMINAL IDENTIFICATION

Connector Terminal	Wire Color
No. 3	BLU
No. 4	YEL/GRN
No. 12	BLK/RED
No. 13	YEL
No. 14	RED
No. 23	WHT/BLU

Turn ignition switch to III position. Measure voltage between ignition coil 3-pin connector terminal No. 1 and ground. See IGNITION COIL 3-PIN CONNECTOR TERMINAL NO. 1 IDENTIFICATION table. If about 5 volts are present, replace ignition coil. If about 5 volts are not present, repair open circuit in appropriate wire between ignition coil connector terminal No. 1 and PCM.

IGNITION COIL 3-PIN CONNECTOR TERMINAL NO. 1 IDENTIFICATION

Ignition Coil	Wire Color
No. 1	YEL/GRN
No. 2	RED
No. 3	BLU
No. 4	YEL
No. 5	BLK/RED
No. 6	WHT/BLU