Monday, January 19, 2009

Is Your Check Engine Light on? Part II

And now for the conclusion....
From Honda Tuning Magazine
Written by Robert Young

Original Post:http://www.hondatuningmagazine.com/tech/htup_0807_honda_check_engine_light_help_cel_idiot_light_go_away/index.html


It's important to note that even after repairs have been made you'll need to reset the ECU. This can be done on early models by disconnecting the battery's negative terminal for 10 seconds or by removing the battery's backup fuse from underneath the hood. Be sure to remove the jumper wire (if used) when you're done. Many newer vehicles require a specialized scan tool to reset the ECU.

CODE SYSTEM INDICATED
0 ENGINE CONTROL MODULE
1 OXYGEN SENSOR
3 MANIFOLD ABSOLUTE PRESSURE SENSOR
4 CRANKSHAFT POSITION SENSOR
6 ENGINE COOLANT TEMPERATURE SENSOR
7 THROTTLE POSITION SENSOR
8 TOP DEAD CENTER POSITION SENSOR
9 NUMBER ONE CYLINDER POSITION SENSOR
10 INTAKE AIR TEMPERATURE SENSOR
12 EXHAUST GAS RECIRCULATION SYSTEM
13 BAROMETRIC PRESSURE SENSOR
14 IDLE AIR CONTROL VALVE
15 IGNITION OUTPUT SIGNAL
16 FUEL INJECTOR
17 VEHICLE SPEED SENSOR
20 ELECTRICAL LOAD DETECTOR
21 VTEC SOLENOID VALVE
22 VTEC PRESSURE SWITCH
23 KNOCK SENSOR
43 FUEL SUPPLY SYSTEM
41 HEATED OXYGEN SENSOR HEATER