isuzu Workshop Repair Guides

Isuzu Workshop Service and Repair Manuals

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On-Board Diagnostics II (OBDII) Symbol

The On-Board Diagnostics II (OBDII) symbol is used on circuit diagrams to alert the technician that the circuit is essential for OBDII emission control
circuit operation. Any circuit which, if it fails, causes the SERVICE ENGINE SOON indicator to turn on, is identified as an OBDII circuit.

Abbreviations

A/C

Air Conditioning

CKT

Circuit

CONN

Connector

EBCM

Electronic Brake Control Module

HARN

Harness

I/P

Instrument Panel

LH

Left Hand

PCM

Powertrain Control Module

RH

Right Hand

TERM

Terminal

Wire Size Conversion Table

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