PINPOINT TEST G92425p9 : P0450; FUEL TANK PRESSURE SENSOR MALFUNCTION.

PINPOINT TEST G92425p9 : P0450. FUEL TANK PRESSURE SENSOR MALFUNCTION.

G92425t15 : CHECK EVAPORATIVE PURGE VALVE IS OPERATING.
1. Disconnect electrical connector CA005. (Beneath rear seat).
2. Turn the ignition switch to the ON position.
3. Measure the voltage between pins 4 and 6 of CA005.

- Is the voltage 2.9 - 3.7 volts?

-> YES
GO to Pinpoint Test G92425t16.
Reconnect CA005.

-> NO
INSTALL a new FTPS. Reconnect CA005. CLEAR the DTC. Turn the ignition switch to the ON position. Leave switched on for minimum 30 seconds. RECHECK DTCs. For additional information, see "diagnostic drive cycles" above.

G92425t16 : CHECK SIGNAL VOLTAGE AT FTPS.
1. Run the engine for two minutes, and until fully warm.
2. Make sure Evaporative purge valve is operating.
3. Steadily increase engine speed to 3000 RPM.
4. Measure the voltage between pins 4 and 6 of CA005.

- Does the voltage reduce?

-> YES
Possible intermittent fault. RECHECK DTCs, For additional information, see "diagnostic drive cycles" above. Contact Dealer technical support.

-> NO
INSTALL a new FTPS. CLEAR the DTC. Carry out a full Evaporative system monitor drive cycle. RECHECK DTCs. For additional information, see "diagnostic drive cycles" above.