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Chapter 3 Automotive Test
85
3.3 Actuators
3.3.1
Carbon canister solenoid valve
The carbon canister is generally installed in the engine compartment and connected to the fuel tank through a pipe
to collect the vaporized oil and gas in the fuel tank, so as to prevent the oil and gas from being discharged into the
air and causing pollution. Use a BNC to banana cable, one end is connected to channel 1 of the oscilloscope, the
other end of the black plug is grounded, and the red connector is connected to the ground wire of the canister
solenoid valve with a needle tip.
Use ATO oscilloscope to test the vehicle speed sensor, the specific operation is shown in Figure 3-26:
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