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DRIVEABILITY
P-1486 EVAP LEAK MONITOR PINCHED HOSE FOUND —
Continued
TEST
ACTION
APPLICABILITY
3
To perform this test you will need Miller Tool Kit #6872A and #6922.
Caution: Refer to safety information.
Perform Evaporative System Pressure Pump Self Test that is specified on the tester
cover.
Connect the Evap Pressure Pump Supply to Gas Cap Adapter and install on vehicle.
Start Engine.
With the DRB, go to LDP SYSTEM TEST and follow instructions on the screen.
Using Pressure Tool #6872A, set Pressure Hold to Open, and set Vent to Closed.
Turn Pump Timer On.
Allow Pressure Pump to build pressure up to at least 149 H2O.
Remove Vacuum Connector from Purge Solenoid.
Did the pressure drop when the Vacuum Connector was removed?
All
4
5
Yes
→ Go To
4
No
→ Go To
6
To perform this test you will need Miller Tool Kit #6872A and #6922.
Caution: Refer to safety information.
Perform Evaporative System Pressure Pump Self Test that is specified on the tester
cover.
Connect the Evap Pressure Pump Supply to Gas Cap Adapter and install on vehicle.
Start Engine.
With the DRB, go to LDP SYSTEM TEST and follow instructions on the screen.
Using Pressure Tool #6872A, set Pressure Hold to Open, and set Vent to Closed.
Turn Pump Timer On.
Allow Pressure Pump to build pressure up to at least 149 H2O.
Disconnect Leak Detection Pump Pressure Hose from LDP.
Did pressure drop when hose was disconnected?
Yes
→ Replace the Leak Detection Pump.
Perform VERIFICATION TEST VER-6A.
No
→ Go To
All
5
Inspect the LDP Pressure Hose.
Is the hose OK?
All
Yes
→ Replace the Evaporative Canister.
Perform VERIFICATION TEST VER-6A.
No
→ Replace the LDP Pressure Hose.
Perform VERIFICATION TEST VER-6A.
201