How to Use Troubleshooting/Inspection Service Points
4.
After repair or replacement, recheck the voltmeter to confirm the repair
the problem.
Terminal Resistance and Continuity Checks
1. Turn the ignition switch to off.
2. Disconnect the ECU connector.
3.
Measure the resistance and check for continuity between the terminals of the ECU
connector while referring to the check chart.
NOTE
Checks don’t have to be carried out in the order given in the chart.
Cautlon
If resistance and continuity checks are performed the wrong terminals, damage
vehicle wiring, sensors, ECU, and/or ohmmeter may occur.
Use care to prevent this!
4.
If the ohmmeter shows any deviation from the Normal Condition value, check the corresponding
5.
sensor, actuator and related electrical wiring, then repair or replace.
After repair or replacement, recheck with the ohmmeter to confirm that the repair
the problem.
10. INSPECTION PROCEDURES USING AN OSCILLOSCOPE
When there are inspection procedures using an oscilloscope, these are listed here.
,
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