Electrical System of Engine
G1-5
3. Install in reverse order of removal.
1
Ignition Coil
2
Spark plug
See Removal /Installation of Spark plug
3
Positive Crankcase Ventilation (PCV)
valve See Inspection of PCV Valve
Inspection of Ignition Coil
(The part is the same with HM483Q Engine
Maintenance Manual for details)
Ignition
1. Spark Test
Refer to EMS Control System,
Operation Inspection, Spark Test
Operation Inspection of Ignition Coil
1. Disconnect the negative battery cable.
2. Examine input voltage of ignition coils
(between terminals 1A and 2A).
l If it can not reach specified range,
inspect power supply system harness.
(Terminals 1A and 2A of ignition coil,
terminals E and F of ignition switch,
including short jumper)
Standard: B+ (Positive voltage of battery)
Inspect ground voltage of ignition coil
(between terminals 1B and 2B)
l If it is incorrect, inspect ground system
harness
(Between terminals 1B, 2B and ground
point on vehicle body)
Standard value: 0(V)
4. Use a needle tool (terminal remover) to
push terminals 1C and 2C out of ignition
coil connector.
5. Remove the spark plug, high-voltage line
and ignition coil.
6 Connect the ignition coil, spark plug and
high-voltage line to special tester.
Needle tool
(terminal remover)
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