Ignition Coil Inspection
- Perform the spark test and identify the malfunctioning cylinder.
- Replace the ignition coil of the malfunctioning cylinder with that of a normal cylinder, and reperform the spark test. If the spark is not normal due to a malfunctioning ignition coil, replace that ignition coil. It is unlikely that all four ignition coils fail to operate properly. To prevent replacing a normal component, perform the above procedure, identify the malfunctioning ignition coil, and replace it.
Ignition Coil with Built-in Igniter Inspection
- Remove the ignition coil connector.
- Measure the resistance between each terminal on the ignition coil connector using an analog circuit tester. If the measurement corresponds to the table, replace the ignition coil.
| Item | Tester Connection Position | Condition |
|---|
| Positive | Negative |
| Terminal | C | A | 0 ohm is not normal (infinity is normal) |
| A | C |
| C | B |
| B | C |
| A | B | Infinity or 0 ohm is not normal (several kilohm is normal) |
| B | A |
TESTER CONNECTION POSITION CHART
Scheme 1
Plug Gap Inspection
| CAUTION | To avoid possible damage to the tip, do not adjust the plug gap. To prevent damaging the tip, use wire type plug gap gauge when inspecting the plug gap. |
- Measure the spark plug gap using the wire type plug gap gauge. If it exceeds the specification, replace the spark plug. Spark plug gap 1.25-1.35 mm {0.049-0.053 in}
