Reading Diagnostic Trouble Codes And Data; Inspection/Maintenance Monitors; Monitor Status - Bosch OBD1000 User Manual

en
Indicates the Malfunction Indica-
tor Lamp should be off and there
should be no emission problems .
9 Some manufacturers will turn
the MIL off if a certain number
of drive cycles occur without the
same fault being detected .
9 Diagnostic Trouble Codes
related to a MIL are erased from
the computer's memory after 40
warm-up cycles if the same fault
is not detected .

Inspection/Maintenance Monitors

(I/M Monitors
The I/M Monitors (Inspection /
Maintenance) function displays a
SNAPSHOT of the operations for the
Emission System .
9 After a specific amount of drive
time (each monitor has specific
driving conditions and time
required), the computer's "moni-
tors" will decide if the vehicles
emission system is working
correctly .
9 Some states MAY NOT require all
monitors listed to be "Ready" to
pass the emissions test . Check
with state testing site for exact
requirements . All states will fail
a vehicle that has the "MIL
Light" lit at time of test .
• Monitors Viewed:
Monitor Expanded Name
Bosch Automotive Service Solutions
| OBD 1000 | User guide | 7
Misfire Misfire monitor
Fuel Fuel system monitor
Comp Comprehensive components monitor
Catlyst Catalyst monitor
Htd Cat Heated catalyst monitor
Evap Evaporative system monitor
Sec Air Secondary air system monitor
A/C Air conditioning refrigerant monitor
O2 Snsr Oxygen sensor monitor
O2 Htr Oxygen sensor heater monitor
EGR Exhaust gas recirculation

• Monitor Status:

Status Description
Vehicle was driven enough under proper
Ready
conditions to complete the monitor .
(Incomplete) Vehicle was not driven
Inc enough under proper conditions to com-
plete the monitor .
• Monitors may be cleared by:
• Using the erase codes func-
tion .
• Disconnected or discharged
battery (on some vehicles .)
• Computer module losing
power (on some vehicles .)
Reading Diagnostic Trouble
Codes and Data
WARNING!
Avoid cooling fan . Fan
may turn on during test .
1 . Turn ignition key to the OFF
position .
574694 REV A | 11.2014