Mazda Trouble Codes and Retrieval Method OBD1
The OBD1 operating system is the first system adopted into the automobile industry
and marked the start of the computer revolution in the auto industry. This system
is able to detect malfunctions in the
computer system and
store that code in its memory. Once the code or codes are in the memory the retrieval
system must be used to gather the codes for diagnostic repairs. Cars built 1995
and earlier have this system, anything made after the year 1995 is equipped with
the OBD11 system which is different and more complex to retrieve trouble codes from.
To gather trouble codes from the ODB1 computer
system warm the engine up to operating temperature and then turn the ignition "off".
Next install a jumper wire from the "TEN" terminal to the "GND" terminal. Then,
turn the ignition key to the "on" position. You will observe the "check engine"
light starting to blink, count the number of times the light blinks and that will
be the first number of the trouble code. For example if the light blinks two times
the first number of the code will be 2. Then the check engine light will pause this
is the break letting you know the second part of the code is coming. Count the second
set of check engine light blinks this will be the second digit in the code identification.
For example if the second set of blinks equals eight the trouble code digit will
be 8. Together with the first code digit the total code number will be 28. Allow
the code gathering to continue because one or more codes can be stored in the computer
system. To clear trouble codes after the codes have been retrieved disconnect the
negative battery cable, and then reconnect it after two minutes.

Mazda Code and Data Connector (Three options) Mazda ODB1 Trouble Code Definitions
02 Crank Position Sensor (NE Signal) 03 Cam Position Sensor (SGC Signal) 05 Knock Sensor 08 Air Flow Sensor 09 Engine Coolant Temperature Sensor 10 Intake Air Temp. Sensor (Air Flow Sensor)
12 Throttle Position Sensor 14 Barometric Absolute Press. Sensor 15 and/or 23 Heated Oxygen Sensor (Inactivation) 16 EGR Function Sensor 25 Pressure Regulator Control Solenoid Valve 26 Purge Control Solenoid Valve
28 EGR Vacuum Solenoid Valve 29 EGR Vent Solenoid Valve 34 Idle Air Control Valve 41 VRIS 1 Solenoid Valve 46 VRIS 2 Solenoid Valve If further assistance is needed, our certified car repair technicians are ready to answer your car questions. Related Car Repair Information

Mazda Code and Data Connector (Three options) Mazda ODB1 Trouble Code Definitions
02 Crank Position Sensor (NE Signal) 03 Cam Position Sensor (SGC Signal) 05 Knock Sensor 08 Air Flow Sensor 09 Engine Coolant Temperature Sensor 10 Intake Air Temp. Sensor (Air Flow Sensor)
12 Throttle Position Sensor 14 Barometric Absolute Press. Sensor 15 and/or 23 Heated Oxygen Sensor (Inactivation) 16 EGR Function Sensor 25 Pressure Regulator Control Solenoid Valve 26 Purge Control Solenoid Valve
28 EGR Vacuum Solenoid Valve 29 EGR Vent Solenoid Valve 34 Idle Air Control Valve 41 VRIS 1 Solenoid Valve 46 VRIS 2 Solenoid Valve If further assistance is needed, our certified car repair technicians are ready to answer your car questions. Related Car Repair Information