Isuzu C22NE Workshop Manual page 172

6E1-2 DRIVEABILITY AND EMISSIONS
MAINTENANCE SCHEDULE........................................................................................ 6E1- 44
VISUAL/PHYSICAL ENGINE COMPARTMENT INSPECTION.................................... 6E1- 44
BASIC KNOWLEDGE OF TOOLS REQUIRED............................................................ 6E1- 44
SERIAL DATA COMMUNICATIONS ............................................................................ 6E1- 44
ON-BOARD DIAGNOSTIC (OBD) ................................................................................ 6E1- 44
ON-BOARD DIAGNOSTIC TESTS ............................................................................... 6E1- 44
COMPREHENSIVE COMPONENT MONITOR DIAGNOSTIC OPERATION ............... 6E1- 44
Input Components .................................................................................................. 6E1- 46
Output Components ............................................................................................... 6E1- 46
Passive and Active Diagnosis Tests ..................................................................... 6E1- 46
Intrusive Diagnosis Tests ...................................................................................... 6E1- 46
Warm-Up Cycle ....................................................................................................... 6E1- 46
COMMON OBD TERMS ............................................................................................... 6E1- 46
Diagnostic For Closed Loop System .................................................................... 6E1- 46
Enable Criteria ........................................................................................................ 6E1- 46
Trip ........................................................................................................................... 6E1- 46
THE DIAGNOSITIC EXECUTIVE.................................................................................. 6E1- 47
Diagnostic Information........................................................................................... 6E1- 47
Malfunction Indicator Lamp (MIL).......................................................................... 6E1- 47
Extinguish the MIL .................................................................................................. 6E1- 47
Data Link Connector (DLC) .................................................................................... 6E1- 47
Reading Flash Diagnostic Trouble Codes ............................................................ 6E1- 48
Reading Diagnostic Trouble Codes Using a TECH 2........................................... 6E1- 48
Clearing Diagnostic Trouble Codes ...................................................................... 6E1- 48
On-Board Diagnosis (Self-Diagnosis) ................................................................... 6E1- 49
Tech 2 Scan Tool .................................................................................................... 6E1- 50
Getting Started ........................................................................................................ 6E1- 51
Operating Procedure .............................................................................................. 6E1- 51
Menu ........................................................................................................................ 6E1- 52
VERIFYING VEHICLE REPAIR .................................................................................... 6E1- 53
READING DIAGNOSTIC TROUBLE CODES USING A SCAN TOOL ......................... 6E1- 53
Clearing Diagnostic Trouble Codes ...................................................................... 6E1- 53
DTC MODES ................................................................................................................. 6E1- 54
DTC Information Mode ................................................................................................ 6E1- 54
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