===== Diagnostic Trouble Codes  =====

**Getting codes from ECU.**

  -Turn ignition switch to ON position.
  -Use a screwdriver to turn ECM diagnostic mode selector on ECU fully clockwise.
  -Wait for inspection lights to flash 3 times sequentially. (Mode 3/Self Diagnostic)
  -As soon as inspection light flashes Mode 3, turn mode selector off. (fully counterclockwise)
  -Count number of flashes and record them. Red first for Tens digit and Green for ones digit.\\
	For example a faulty Mass Airflow Meter is code 12 or Red 1 flash and Green 2 flashes\\

**DTC Codes**
^Code ^Definition ^Location^
|11	|Crank Angle Sensor |Optical Sensor in base of distributor|
|12	|Mass Airflow Meter |Large sensor in intake piping|
|13	|Cylinder Head Temperature Sensor |Front of driver side cylinder head behind timing cover|
|14     |Car/Vehicle Speed Sensor |On transmission|
|21	|Ignition Signal |Ignition coil, Power Transistor, or Crank Angle Sensor|
|22	|Fuel Pump Control |Fuel pump - tank / Fuel pump relay - passenger side behind rear interior panel|
|23	|Throttle Position Sensor |Side of throttle body on driver side|
|24	|Neutral Safety Switch |On transmission|
|31     |AC/Load |Driver Side of intake plenum|
|32     |Start Signal |No signal from key switch to ecu|
|34	|Knock Sensor |Right side of block|
|41	|Fuel Temperature Sensor |Side of fuel pressure regulator|
|44	|Normal Operation |no codes|

**Clearing Codes**

Codes can be cleared by disconnecting the battery or removing power from ECU.\\
After the engine has been started 50 times any codes will be deleted.