CIRCUIT OPERATION
- The 12V battery voltage is applied to the fuel tank solenoid valve connector terminal number 1 from the ECM connector terminal number 92.
- The fuel tank solenoid valve connector terminal number 2 is grounded with the vehicle body.
TECHNICAL DESCRIPTION
Seal the fuel tank and keep the fuel tank internal pressure. In response to a signal from the ECM, open the fuel tank solenoid valve and release the sealed state of the fuel tank.
MONITOR EXECUTION
Continuous
MONITOR EXECUTION CONDITIONS (Other monitor and Sensor)
Other Monitor (There is no temporary DTC set in memory for the item monitored below)
Sensor (The sensor below is determined to be normal)
DTC SET CONDITIONS
Check Conditions
- Power supply mode of electric motor switch is ON.
- 12V battery positive voltage is between 10.0 and 16.5 volts.
Judgment Criterion
- Monitor circuit voltage is 0.4 volt or lower for 2 seconds.
FAIL-SAFE AND BACKUP FUNCTION
- Fuel filler lid cannot be opened even when pressing the fuel filler lid opener switch.
- Indicates "REFUELING SYSTEM SERVICE REQUIRED" on the information screen in the multi-information display.
OBD-II DRIVE CYCLE PATTERN
TROUBLESHOOTING HINTS (The most likely causes for this code to be set are:)
- Fuel tank solenoid valve failed.
- Shorted fuel tank solenoid valve circuit or connector damage.
- ECM failed.