* Question
| What is the way to detect roads? |
* Answer
| 1 Turn on the ignition switch, do not start the engine, check the ECU connector B terminal (supply voltage input terminal) and the vehicle body ground (ground) with a multimeter to ask if there is voltage.If there is no voltage, check the ECU power circuit for open circuit and repair or replace the ECU if necessary.If the grounding of the vehicle body is good, turn on the ignition switch and use a multimeter to measure the pressure between the relevant terminals of the sensor.If the inspection result does not match the specified normal value, the air flow sensor should be replaced. |
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