Laser 5091 User Manual

www.lasertools.co.uk
5091
Laser 5091
OBDII/EOBD Code Reader
The CAN OBDII/EOBD Code Reader is an innovative and affordable
solution specially designed for the owner to get easy and quick
access to engine problems on all OBDII compliant petrol vehicles
(2001<) and diesel vehicles (2004<) sold worldwide.
Instructions

Laser 5091 Specifications

General

Light Source	650nm visible laser diode
Operating Temperature	0°C to 50°C (32°F to 122°F)
Storage Temperature	-20°C to 60°C (-4°F to 140°F)
Connectivity	USB
Scanning Technology	Laser
Scan Rate	100 scans/second
Resolution	4 mil
Scan Depth	20-300mm
Interface	USB
Power Supply	5V DC ±5%
Humidity	5% to 95% (non-condensing)

Summary

Laser 5091 OBDII/EOBD Code Reader

Product Overview and Application

Safety Information and Conventions

Safety Message Conventions Used

Explanation of hazard signal words like DANGER, WARNING, CAUTION.

Important Safety Instructions

Critical guidelines for safe operation and to prevent injury or damage.

Device Components and Initial Setup

Powering the Device

Instructions for connecting power via vehicle or USB.

Interface and Core Operations

OBDII/EOBD Diagnostic Services

Overview of the nine diagnostic service modes for OBDII/EOBD.

Reading and Erasing Diagnostic Codes

Reading DTCs (Stored, Pending, Permanent)

Procedures for retrieving diagnostic trouble codes.

Erasing DTCs and Freeze Frame Data

Steps to clear codes and related data after repairs.

Live Data Monitoring

Viewing Complete Live Data Set

Displaying all supported Parameter IDs (PIDs) for real-time data.

Live Data Customization and Recording

Recording Live Data for Analysis

Capturing real-time data for later review of intermittent issues.

Data Recording and Playback

Selecting Recording Triggers and Memory

Playing Back Recorded PID Data

Freeze Frame and I/M Readiness Status

Viewing Freeze Frame Data

Accessing snapshots of vehicle conditions when a DTC occurred.

Reading I/M Readiness Status

Checking the readiness of vehicle emission monitors.

Emissions System Monitoring Tests

Oxygen Sensor Monitor Test

On-Board Monitor Tests

On-Board Monitor Tests

Requesting results for non-continuous emission system monitors.

Component Testing and Vehicle Information

Performing Component Tests

System Identification and DTC Lookup

DTC Lookup Functionality

Searching for and displaying definitions of diagnostic trouble codes.