Emission Control System — Evaporative Emission Controls [With CATA Ex. KQ] (Troubleshooting Flowchart)
6-92flowchartProcedure applies to With CATA models except KQ market ([With CATA Ex. KQ]).
Evaporative Emission Controls [With CATA Ex. KQ]
Troubleshooting Flowchart
1
Inspection of Evaporative Emission Controls
2
Disconnect #7 hose from the purge control diaphragm valve (on the charcoal canister) and connect a vacuum gauge to the hose.
3
Start the engine and allow to idle.
NOTE: Engine coolant temperature must be below 57 °C (135 °F).
4
Is there vacuum?
NO
(To page 6-93)
YES
5
Disconnect the 4P connector.
6
Measure voltage between GRN (+) terminal and BLK (−) terminal.
7
Is there battery voltage?
YES
Replace purge cut-off solenoid valve.
NO
8
Measure voltage between GRN (+) terminal and body ground.
9
(To page 6-93)