3-72 FUEL SYSTEM (DFI)
Ignition Coil (Service Code 51)
Ignition Coil Removal/Installation
Refer to the Ignition Coil Removal/Installation in the Elec-
trical System chapter.
Ignition Coil Input Voltage Inspection
Refer to the Ignition Coil Peak Voltage Inspection in the
Electrical System chapter.
If the peak voltage is mach lower than standard, check
the wiring for continuity (see Ignition Coil Circuit).
If the wiring is good, check the ECU for its ground and
power supply (see ECU Power Supply Inspection).
If the ground and power supply are good, replace the ECU
(see ECU Removal/Installation).
Ignition Coil Circuit
2. Spark Plug
3. Ignition Coil
4. Frame Ground