Reading Honda Accord OBD1 Codes

1991 Honda Accord 2.2L automatic with a check engine light and flashing S light. I show you how to read Honda OBD1 Codes using the diagnosis port on the passenger side kick panel. This is a little different than the new cars that are 96 and up that have the 16 pin connector. Below I am going to put a list of all the OBD1 Honda Codes in order for people to be able to see what their codes are.

OBD1 Codes
Codes 0 and 11 Electronic control module (ECM)

Code 1 Heated oxygen sensor A

Code 2 Oxygen content B

Codes 3 and 5 Manifold absolute pressure

Code 4 Crank position sensor

Code 6 Engine coolant temperature

Code 7 Throttle position sensor

Code 8 Top dead center sensor

Code 9 No.1 cylinder position sensor

Code 10 Intake air temperature sensor

Code 12 Exhaust recirculation system

Code 13 Barometric pressure sensor

Code 14 Idle air control valve or bad ECM

Code 15 Ignition output signal

Code 16 Fuel Injector

Code 17 Vehicle speed sensor

Code 19 A/T lock-up control solenoid

Code 20 Electric load detector

Code 21 V-TEC control solenoid

Code 22 V-TEC pressure solenoid

Code 23 Knock sensor

Code 30 A/T FI signal A

Code 30 A/T FI signal B

Code 41 Heated oxygen sensor heater

Code 43 Fuel supply system

Code 45 Fuel supply metering

Code 48 Heated oxygen sensor

Code 61 Front heated oxygen sensor

Code 63 Rear heated oxygen sensor

Code 65 Rear heated oxygen sensor heater

Code 67 Catalytic converter system

Code 70 Automatic transaxle

Code 71 Misfire detected cylinder 1

Code 72 Misfire detected cylinder 2

Code 73 Misfire detected cylinder 3

Code 74 Misfire detected cylinder 4

Code 75 Misfire detected cylinder 5

Code 76 Misfire detected cylinder 6

Code 80 Exhaust recirculation system

Code 86 Coolant temperature

Code 92 Evaporative emission control system

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