Fuel Supply System — Fuel Injectors — Troubleshooting Flowchart
6-72flowchartWith CATA models use the Check Engine LED (CODE 16) self-diagnosis entry point; Without CATA models start from the ignition START / engine-start branch. The "Is Check Engine warning light on? / CODE 16?" decision and "Intermittent failure" branch are With CATA only.
Troubleshooting Flowchart
1
Check Engine warning light is on. LED indicates CODE 16.
2
Turn the ignition switch OFF.
3
Remove HAZARD fuse in the main fuse box for 10 seconds to reset ECU.
4
Turn the ignition switch to START position.
5
Does the engine start?
NO
(To page 6-73)
YES
6
Is Check Engine warning light on? Does LED indicate CODE 16? (With CATA only)
NO
Intermittent failure (Test drive may be necessary.)
YES
7
Check the clicking sound of each injector by means of a stethoscope when the engine is idling.
8
Do the injectors click?
NO
same as step 5
YES
Substitute a known-good ECU and recheck. If symptom/indication goes away, replace the original ECU.
NOTE
On With CATA models, start the troubleshooting from the "Check Engine warning light is on / LED indicates CODE 16" procedure.
On Without CATA models, start the troubleshooting from the "Turn the ignition switch to START position" procedure.