| On-vehicle Inspection |
| Inspect ignition coil assembly and Perform spark test |
| 1. |
Check for DTCs.
|
| 2. |
Check if sparks occur.
|
| 3. |
If sparks do not occur, perform the following test.
|
| 4. |
Using a spark plug wrench, install spark plugs.
|
| 5. |
Install the ignition coils.
|
| 6. |
Install the engine cover.
|
Description Ignition timing is controlled by the electronic control ignition timing system. The standard reference ignition timing data for the engine operating conditions are pre-programmed in the memory of the ECM (Engine Control Module).
Troubleshooting Trouble symptom Probable cause Remedy Engine will not start or is hard to start (Cranks OK) Ignition lock switch Inspect ignition lock switch, or replace as required Ignition coil Inspect ignition coil, or replace as required Spark plugs Inspect spark plugs, or replace as required Ignition wiring disconnected or broken Repair wiring, or replace as required Rough idle or stalls Ignition wiring Repair wiring, or replace as required Ignition coil Inspect ignition coil, or replace as required Engine hesitates/poor acceleration Spark plugs and spark plug cables Inspect spark plugs / cable, or replace as required Ignition wiring Repair wiring, or replace as required Poor mileage Spark plugs and spark plug cables Inspect spark plugs / cable, or replace as required
Description and operation Description The In-car air temperature sensor is built in the heater & A/C control unit. The sensor consists of a thermistor that measures the inside temperature. The signal decided by the resistance value that changes in accordance with perceived inside temperature, is delivered to heater co
Description and operation Description The photo sensor is located at the center of the defrost nozzles. The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received wh