FUEL INJECTION (FUEL SYSTEMS)(H4DOTC DIESEL) > Crankshaft Position Sensor
1. Prepare an oscilloscope.
2. Disconnect the ground cable from the battery.
3. Disconnect the connector from ECM.
5. Connect the ground cable to battery.
6. Connect the oscilloscope to the check board connector.
Terminals
Plus test probe:
No. 44
Ground harness:
No. 63
7. Start the engine and let it idle.
8. Check that the oscilloscope pattern is as same as the waveform and voltage shown below.
(A) |
One crankshaft rotation |