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DTC Troubleshooting

DIAGNOSTIC PROCEDURES CHART

Step Action YES NO
1  Was "Engine and Emission Control System Check" performed?  Go to Step 2. Go to ENGINE AND EMISSION CONTROL SYSTEM CHECK .
2  EVAP vent valve power supply circuit check 
  1. Confirm that ignition mode of keyless push start system is "OFF".
  2. Disconnect connector from EVAP leak check module.
  3. Check for proper terminal connection to EVAP leak check module.
  4. If connections are OK, check that voltage is battery voltage between "A1" circuit and ground with ignition mode of keyless push start system in "ON".

Is it in good condition? 		 Go to Step 3. Repair or replace defective wire harness.
3  EVAP vent valve drive circuit check 
  1. Push engine switch to change ignition mode to "OFF".
  2. Disconnect "C01" and "E01" connectors.
  3. Check for proper terminal connection to "C01" and "E01" connectors.
  4. If connections are OK, check the following points.
    • Resistance of "A2" circuit: less than 1 Ω
    • Resistance of "A2" circuit between EVAP leak check module connector and ground: infinity
    • Resistance between "A2" circuit terminal and each terminal at EVAP leak check module connector: infinity
    • Voltage of "A2" circuit: 0 - 1 V (with ignition mode of keyless push start system in "ON")

Are they in good condition? 		 Go to Step 4. Repair or replace defective wire harness.
4  EVAP vent valve check 
  1. Check EVAP vent valve coil resistance referring "EVAP CANISTER VENT VALVE ON-VEHICLE INSPECTION " under EVAP Leak Check Module Inspection  .

Is it in good condition? 		 Replace ECM and recheck DTC, see ECM REMOVAL AND INSTALLATION . Replace EVAP leak check module, see EVAP CANISTER REMOVAL AND INSTALLATION .
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