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Honda
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1986
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Accord DX, 2D Hatchback, Automatic
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Repair and Diagnosis
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Engine Performance
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Testing & Diagnosis
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Electronic Control System
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Electronic Control System
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Description & Operation
System
Input Signals
Notes
Atmospheric Pressure Sensor (PA)
Battery Voltage Signal
Crank Angle Sensors
Coolant Temperature Sensor (TW)
EGR Lift Sensor
Intake Air Temperature Sensor (TA)
Manifold Air Pressure Sensor (MAP)
Oxygen Sensor
Throttle Position Angle Sensor
Control Devices
By-Pass Control Solenoids
Electronic Air Control Valve (EACV)
Exhaust Gas Recirculation (EGR) Control Solenoid
Electric Fuel Pump
Fast Idle Valve
Fuel Injector
Ignition Timing
Main Relay
Purge Control Solenoid
Vacuum Control Solenoid Valve
Trouble Shooting
Notes
Engine Won't Start
Difficult Cold Start
Fast Idle Out Of Specification
Rough Idle When Warm
Idle Rpm High When Warm
Idle Rpm Low When Warm
Stalling After Warm-Up
Stalling During Warm-Up
Misfire Or Rough Operation
Emission Test Failure
Lack Of Power
Testing
Code Testing
Code 0, No Codes
No PGM-FI Warning Light
PGM-FI Warning Light On, LED Does Not Flash Codes
Code 1/Code 2 O2 Sensor
Code 1 &/or Code 2 - Oxygen Sensor
Code 3, Map Sensor
Code 5, Map Sensor
Code 6, Coolant (TW) Sensor
Code 7, Throttle Angle Sensor
Code 8, CYL Sensor
Code 9, CRK/CYL Sensor
Code 10, Air Temperature (Ta) Sensor
Code 12, EGR System
Code 13, Atmospheric (Pa) Sensor
Code 14, Idle Control System EACV
Wiring Diagrams