Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Testing Notes

NOTE: You should enter this Pinpoint Test only when directed here.

Evaporative Emission System:






REMEMBER: This Pinpoint Test is intended to diagnose the following:

- Canister Purge (CANP) Solenoid.

- Carbon Canister.

- Leaks in Fuel Vapor Hoses.

- Vapor Orifice Rollover Valve.

- Vacuum or vapor leaks caused by loose gas cap.

- Possible fuel tank air vapor leaks.

- Harness Circuits: CANP SIG, SIG RTN (short in PCM), Vehicle Power (VPWR), and Power Ground (PWR GND).

- Powertrain Control Module (PCM).