Toyota 1 MZ–FE Manual page 551

DIAGNOSTIC CHART
Check voltage igniter power source.
Check voltage between terminals 2 – 7 of igniter
connector (12) and body ground.
Check ignition coil.
Check for open and short in harness and connector between
J/B No.1 and ignition coil, ignition coil and igniter.
Check continuity between terminal 7 of igniter and
body ground.
Check voltage between terminal 8 of igniter
connector (115) and body ground.
Check for open and short in IGF circuit.
Check and replace ECM.
1MZ–FE ENGINE – CIRCUIT INSPECTION
Check and repair igniter power source
circuit.
G o to step
Replace ignition coil.
Repair or replace harness or connector.
Go to step
Repair or replace harness or connector.
EG2–551