วิธี เช็คโค็ด สำหรับคนที่ยังไม่รู้
ที่บริเวณใต้เก๊ะเก็บของ จะมีขั้วสีฟ้าที่มีสายสองเส้น ให้ใช้สายไฟเล็กๆจั้มที่ขั้วให้สายสองเส้นช็อตกันแล้ วสังเกตไฟ check engine มันจะกระพริบ การกระพริบจะบอกได้ว่าเซ็นเซอร์ตัวไหนเสีย
เช่น ไฟติดยาว 1ครั้ง และกระพริบสั้นๆ 7 ครั้ง อ่าน โค้ดได้ 17 ก็คือ speed sensor เสีย เป็นต้น ช่างส่วนใหญ่ใช้วิธีการนี้ก่อนการลงมือซ่อมครับ ไม่งั้นหากันตายเลยว่าอะไรเสีย..
ด้านล่างนี้คือโค็ดนะครับ
ECU
ECU : is the Engine Computer Unit which controls a lot of engine work they are available in EFI ( Electronic Fuel
Injecion ) Cars !
just look under the driver's seat and count how many times does the light blinks and look for the corresponding
problem in the table below !
Code Accord /Civic /CRX /Prelude Error
(1) 85-98 /86-98 /85-91/85-98
Oxygen Sensor "A" (Primary)
defective circuit or unplugged / defective sensor
(2) 85-89 /86-87 /85-87 /NA
Oxygen Sensor "B"
defective circuit or unplugged / defective sensor
(3) 85-98 /86-98 /85-91 /85-98
MAP Sensor (Manifold Absolute Pressure)
defective circuit or unplugged / defective sensor
(4) 90-98 /88-98 /88-91 /85-98
CKP Sensor (Crankshaft Position Sensor)
defective circuit or unplugged / defective sensor
(5) 85-98* /86-98 /85-91 /85-98
MAP Sensor (Manifold Absolute Pressure)
mechanical problem / disconnected piping
* exc 94-95
(6) 85-98 /86-98 /85-91 /85-98
ECT Sensor (Engine Coolant Temperature)
defective circuit or unplugged / defective sensor
(7) 85-98 /86-98 /85-91 /85-98
TP Sensor (Throttle Position)
defective circuit or unplugged / defective sensor
(8) 85-98 /86-98 /85-91 /85-98
TDC Sensor (Top Dead Center)
defective circuit or unplugged / defective sensor
(9)* 85-98** /86-98 /85-91 /85-98
CYP Sensor (Cylinder)
defective circuit or unplugged / defective sensor
* not a valid code for any throttle body injection Hondas
** not a valid code for V-6 engines
(10) 85-98 /86-98 /85-91 /85-98
IAT Sensor (Intake Air Temperature)
defective circuit or unplugged / defective sensor
(12) 85-98 /86-98* /85-91* /85-98
EGR Lift Sensor (Exhaust Gas Recirculation)
defective circuit or unplugged / defective sensor
* not a valid code if car is not equipped with an EGR valve (some Civic
models are not)
(13) 85-98 /86-98 /85-91 /85-98
BARO Sensor (Atmospheric Pressure)
defective circuit or unplugged / defective sensor
(14) 88-98 88-98 88-91 88-98
IAC Valve (Idle Air Control)
defective circuit or unplugged / defective sensor
(15) 90-95 /88-95 /88-91 /88-95
Ignition Output Signal
missing or defective ignition output signal
(16) 90-95 /88-95 /88-91 /88-95
Fuel Injector System
defective circuit or unplugged / defective fuel injector
(17) 88-98 /88-98 /88-91 /88-98
VSS (Vehicle Speed Sensor)
defective circuit or unplugged / defective sensor
(19) NA /88-95 /88-91 /NA
Automatic Transmission Lock Up Control Solenoid Valve
defective circuit or unplugged / defective solenoid valve
(20) 90-98 /88-98 /88-91 /92-98
Electrical Load Detector
defective circuit or unplugged / defective sensor
(21)* 94-98** /92-95 /NA /93-95
VTEC Solenoid Valve
defective circuit or unplugged / defective solenoid valve
* not a valid code if car does not have a VTEC engine
** not with V-6 engine
(22)* 94-98 /92-98 /NA /92-98
VTEC Oil Pressure Switch
defective circuit or unplugged / defective oil pressure switch
* not a valid code if car does not have a VTEC engine
(23) 98* /96-98 /NA /92-98
KS (Knock Sensor)
defective circuit or unplugged / defective sensor
* not a valid code if V-6 engine
(30) 90-98* /NA /NA /92-98*
Automatic Transmission Signal: "A" / SEAF / SEFA / TMA or TMB
defective circuit or unplugged / defective sensor
* not a valid code for 1996
(31) 90-95 /NA /NA /92-95 /Automatic Transmission Signal "B"
defective circuit or unplugged / defective sensor
(41) 90-98 /92-98 /NA /90-98
Primary Oxygen Sensor - Heater
circuit malfunction
(43) 90-95 /92-95 /NA /90-95
Fuel Supply System
defective or malfunctioning fuel supply system
(45) 96-98 /96-98 /NA /96-98
System Too Lean or Too Rich
malfunction in the fuel monitoring systems
(48) 98 /92-98 /NA /NA
LAF Sensor (Lean Air Fuel)
defective circuit or unplugged / defective sensor
(54) 96 /96-98 /NA /NA
CKF Sensor (Crankshaft Speed Fluctuation)
defective circuit or unplugged / defective sensor
(58) 98* /NA /NA /NA
TDC Sensor 2 (Top Dead Center)
defective circuit or unplugged / defective sensor
* with V-6 engine only
(61) 96-98 /96-98 /NA /96-98
Oxygen Sensor, Heated - Sensor 1 (Primary)
high voltage, low voltage, or slow response
(63) 96-98 /96-98 /NA /96-98
Oxygen Sensor, Heated - Sensor 2 (Secondary)
high voltage, low voltage, or slow response
(65) 96-98 /96-98 /NA /96-98
Oxygen Sensor Heater (Secondary)
malfunctioning or defective oxygen sensor heater
(67) 96-98 /96-98 /NA /96-98
Catalyst system Efficiency Below Threshold
malfunctioning or defective catalyst system
(70) 96-98 /96-98 /NA /96-98
Automatic Transmission
malfunction with the automatic transmission controls
(71) 96-98 /96-98 /NA /96-98
Cylinder 1 Misfire or a Random Misfire
a condition is present that is creating a cylinder misfire
(72) 96-98 /96-98 /NA /96-98
Cylinder 2 Misfire or a Random Misfire
a condition is present that is creating a cylinder misfire
(73) 96-98 /96-98 /NA /96-98
Cylinder 3 Misfire or a Random Misfire
a condition is present that is creating a cylinder misfire
(74) 96-98 /96-98 /NA /96-98
Cylinder 4 Misfire or a Random Misfire
a condition is present that is creating a cylinder misfire
(75) 98* /NA /NA /NA
Cylinder 5 Misfire or a Random Misfire
a condition is present that is creating a cylinder misfire
* valid code for V-6 engine only
(76) 98* /NA /NA /NA
Cylinder 6 Misfire or a Random Misfire
a condition is present that is creating a cylinder misfire
* valid code for V-6 engine only
(80) 96-98 /96-98 /NA /96-98
Exhaust Gas Recirculation
insufficient flow detected
(86) 96-98 /96-98 /NA /96-98
ECT Sensor (Engine Coolant Temperature)
circuit range / performance problem
(90) 97-98 /96-98 /NA /97-98
Evaporative Emission Control System
leak detected in the fuel tank area
(91) 96-98 /96-98 /NA /97-98
Fuel Tank Pressure Sensor
low input
(92) 96-98 /96-98 /NA /96-98
Evaporative Emission Control System
insufficient purge flow
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