DTC P2402: EVAP System Leak Detection Pump Control Circuit High [11/2021 - ]: Procedure
- CHECK HARNESS BETWEEN ECM AND CANISTER PUMP MODULE CONNECTOR (SHORT TO POWER SUPPLY)
- Turn the ignition switch to OFF.
- Disconnect the connector from the canister pump module.
- Turn the ignition switch to ON.
- Measure the voltage between the canister pump module connector and chassis ground.
Connector & terminal
M23-4 - Chassis ground
Is the voltage 10 V or higher?
Result Proceed to Yes (Repair the short circuit to power in harness between ECM connector and canister pump module connector.) A No B
Result:
A
REPAIR HARNESS OR CONNECTOR
Result:
B
REPLACE CANISTER PUMP MODULE
Refer to PROCEDURE - Step 5