Honda OBD II diagnostic interface pinout signals @ PinoutGuide.com

16 pin J1962 OBD-2 car diagnostic connector

at the Honda

obd 2 used in Honda cars produced after 1996's

The pinout should fit 24 devices/models. Click to list>

Pin	Signal	Description

4	CGND	Chassis ground
5	SGND	Signal ground
6	CAN High	J-2284
7	K-LINE	(ISO 9141-2 and ISO/DIS 14230-4)
9	SCS	SCS (Service Check System) - diagnostic codes
12		Programming out
13 or 14?		Input/Output for VTM-4 and immobilizer control
14	CAN Low	J-2284 (WEN)
15	ISO 9141-2 L-LINE	(ISO 9141-2 and ISO/DIS 14230-4)
16	+12v	Battery power (unswitched)

Honda OBD-2 compatibility list

Note that list is not 100% complete!

Model	Engine	Year (starting from)	OBD-2 Protocol
Honda Accord		1998	ISO 14230-4, ISO 9141-2
	2.0 iES, Gasoline (147HP)	1998	ISO 9141
		2000	ISO 14230-4, ISO 9141-2
	2.2 CTDI, Diesel (139 HP)	2005	ISO 9141-2
	Gasoline (188 HP)	2006
Honda Accord Coupe	Gasoline (198 HP)	2001	ISO 9141-2
Honda CITY TYPE Z	Gasoline (155 HP)	1999	-
Honda Civic		1996	ISO 14230-4, ISO 9141-2
		2000	ISO 14230-4, ISO 9141-2
	1.4 IS, Gasoline (90HP)	2000	ISO 9141
		2001	ISO 14230-4, ISO 9141-2
	Diesel (100 HP)	2003	ISO 14230-4, ISO 9141-2
	1.7 mfi, Gasoline (115HP)	2003	ISO 9141
	2, Gasoline (200HP)	2003	ISO 9141
	1.7 CTDI, Diesel (100HP)	2004	ISO 9141
	2.0 16V, Gasoline (200HP)	2005	ISO 9141
	Gasoline (112 HP)	2006
	1.4 I-DSI, Gasoline (83HP)	2006	CAN 29bit
	1.8, Gasoline (140HP)	2006	CAN 29bit
	2.2 i-CtdI, Diesel (140HP)	2006	CAN 29bit
	1.8, Gasoline (140HP)	2009	CAN 29bit
Honda civic coupe em2	Gasoline (120 HP)	2001	ISO 9141-2
Honda Civic Del Sol		1997	ISO 14230-4, ISO 9141-2
Honda Civic EV1	Gasoline (159 HP)	2005	ISO 9141-2
Honda Civic Type R		2003	ISO 14230-4, ISO 9141-2
Honda Civic TypeR-FN2	Gasoline (199 HP)	2007	ISO 9141-2
Honda CR-V	Diesel (139 HP)	2006
	2.2 CDTI, Diesel (140HP)	2005	ISO 9141
	Gasoline (148 HP)	2002	ISO 9141-2
	Diesel (148 HP)	2010	ISO 9141-2
Honda CR-Z	1.5, Hyb (124HP)	2010	CAN 29bit
Honda Fit	1.2, Gasoline (65HP)	2003	ISO 9141
Honda FR-V	2.2 CDTI, Diesel (140HP)	2006	ISO 9141
Honda HR-V	1.6, Gasoline (124HP)	2001	ISO 9141
Honda Jazz	1.2, Gasoline (80HP)	2002	ISO 9141
	1.4, Gasoline (82 HP)	2003
	1.2, Gasoline (65HP)	2003	ISO 9141
	1.2, Gasoline (104 HP)	2004
	1.4 i-dsi cvt, Gasoline (83HP)	2005	ISO 9141
Honda Legend	Gasoline (171 HP)	1990	-
Honda Legend	3.5 VTEC, Gasoline (295HP)	2006	ISO 9141
Honda Odyssey		2002	ISO 14230-4, ISO 9141-2
Honda rd8	Gasoline (149 HP)	2002	-
Honda S2000	2.0 dohc 16s, Gasoline (240HP)	2002	ISO 9141
		2000	ISO 14230-4, ISO 9141-2
	Gasoline (238 HP)	2006
Honda Stream 2.0	Gasoline (155 HP)	2004
Honda TYPE R	Gasoline (249 HP)	2005

OBD interfaces used:

1996 - 2006 : ISO 9141

2006 - 2008 : ISO 9141 or CAN

2008 and later : CAN

Honda diagnostic codes

Code	Description
P1106	Barometric Pressure Circuit Range/Performance
P1107	Barometric Pressure Circuit Low Input
P1108	Barometric Pressure Circuit High Input
P1121	Throttle Position Lower Than Expected
P1122	Throttle Position Higher Than Expected
P1128	MAP Lower Than Expected
P1129	MAP Higher Than Expected
P1149	Primary HO2S (Sensor 1) Circuit Range/Performance Problem
P1162	Primary HO2S (No. 1) Circuit Malfunction
P1163	Primary HO2S (No. 1) Circuit Slow Response
P1164	Primary HO2S (No. 1) Circuit Range/Performance
P1165	Primary HO2S (No. 1) Circuit Range/Performance
P1166	Primary HO2S (No. 1) Heater System Electrical
P1167	Primary HO2S (No. 1) Heater System
P1168	Primary HO2S (No. 1) LABEL Low Input
P1169	Primary HO2S (No. 1) LABEL High Input
P1253	VTEC System Malfunction
P1257	VTEC System Malfunction
P1258	VTEC System Malfunction
P1259	VTEC System Malfunction
P1297	Electrical Load Detector Circuit Low Input
P1298	Electrical Load Detector Circuit High Input
P1300	Multiple Cylinder Misfire Detected
P1336	CSF Sensor Intermittent Interruption
P1337	CSF Sensor No Signal
P1359	CKP/TDC Sensor Connector Disconnection
P1361	Intermittent Interruption In TDC 1 Sensor Circuit
P1362	No Signal In TDC 1 Sensor Circuit
P1366	Intermittent Interruption In TDC 2 Sensor Circuit
P1367	No Signal In TDC 2 Sensor Circuit
P1381	Cylinder Position Sensor Intermittent Interruption
P1382	Cylinder Position Sensor No Signal
P1456	EVAP Emission Control System Leak Detected (Fuel Tank System)
P1457	EVAP Emission Control System Leak Detected (Control Canister System)
P1459	EVAP Emission Purge Flow Switch Malfunction
P1486	Thermostat Range/Performance Problem
P1491	EGR Valve Lift Insufficient Detected
P1498	EGR Valve Lift Sensor High Voltage
P1508	IAC Valve Circuit Failure
P1509	IAC Valve Circuit Failure
P1519	Idle Air Control Valve Circuit Failure
P1607	ECM/PCM Internal Circuit Failure A
P1655	SEAF/SEFA/TMA/TMB Signal Line Failure
P1656	Automatic Transaxle
P1660	Automatic Transaxle FI Signal A Circuit Failure
P1676	FPTDR Signal Line Failure
P1678	FPTDR Signal Line Failure
P1681	Automatic Transaxle FI Signal A Low Input
P1682	Automatic Transaxle FI Signal A High Input
P1686	Automatic Transaxle FI Signal B Low Input
P1687	Automatic Transaxle FI Signal B High Input
P1705	Automatic Transaxle Concerns
P1706	Automatic Transaxle Concerns
P1738	Automatic Transaxle Concerns
P1739	Automatic Transaxle Concerns
P1753	Automatic Transaxle Concerns
P1758	Automatic Transaxle Concerns
P1768	Automatic Transaxle Concerns
P1773	Automatic Transaxle Concerns
P1785	Automatic Transaxle Concerns
P1786	Automatic Transaxle Concerns
P1790	Automatic Transaxle Concerns
P1791	Automatic Transaxle Concerns
P1792	Automatic Transaxle Concerns
P1793	Automatic Transaxle Concerns
P1794	Automatic Transaxle Concerns
P1870	Automatic Transaxle Concerns
P1873	Automatic Transaxle Concerns
P1879	Automatic Transaxle Concerns
P1885	Automatic Transaxle Concerns
P1886	Automatic Transaxle Concerns
P1888	Automatic Transaxle Concerns
P1890	Automatic Transaxle Concerns
P1891	Automatic Transaxle Concerns