Component Inspection
1.

Ignition "ON" & Engine "OFF" .

2.

Disconnect hose connecting FTPS to the Fuel Tank.

3.

Using a vacuum pump, apply vacuum to the hose connecting to FTPS.

4.

Measure FTPS output voltage between signal terminal of the FTPS harness connector and chassis ground.

Specification : Voltage increases proportionally with decreasing pressure.

Pressure(kPa)

-3.75

0

1.25

Voltage(V)

4.5

1.5

0.5

5.

Is voltage within the specification?

▶ Go to next step as below

▶ Check for cracks or damage in hose connecting canister and fuel pump. Repair or replace as necessary.

▶ Check for open or short in FTPS harness. Repair as necessary. If OK, test with a new FTPS and check for proper operation. If problem is corrected, replace FTPS and go to "Verification of Vehicle Repair" procedure

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