Actron Professional Enhanced Scan Tool 9640A, User Manual

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4
Section 4 – Global OBD II Diagnostics
The first time the scan tool communicates with the vehicle, the communication
type is automatically detected, and is used until the scan tool is turned OFF or
another vehicle is diagnosed.
✓
If an Error Message displays, make sure the OBD II connector is
securely attached, and the ignition key is ON. Cycle the ignition key to
OFF for 10 seconds, then ON. This may be required to reset the computer.
If required, select YES to try again. If the problem still exists, refer to “Error
Messages” on page 8-2.
✓
On the initial link to the vehicle, the scan tool checks the status of the
I/M Monitors and conveys it to the operator, no matter which function is
selected.
MANUAL INFO
The Manual Info function, the last one in the function list, instructs the user what
section of the manual to use. This section covers Global OBD II Diagnostics.
I/M READINESS
The I/M Readiness (Inspection and Maintenance) function displays the state
of the vehicle’s OBD II Monitors. Monitors are tests designed to verify the oper-
ation of emission related systems or components and detect out-of-range val-
ues. The vehicle may have to be operated under certain driving conditions to
initiate a monitor. If the vehicle loses electrical power or codes are erased, the
monitors may be cleared. This function can be performed with the key ON —
engine OFF (KOEO) or key ON — engine Running (KOER).
The abbreviations and names for the OBD II Monitors supported by this tool are
shown in the following list. They are required by the U.S. Environmental Pro-
tection Agency (EPA). Not all monitors are supported by all vehicles.
The vehicle may support two types of I/M Readiness:
❒
SINCE DTCs CLEARED shows the status of the monitors since the
DTCs were last erased.
❒
THIS DRIVING CYCLE shows the status of the monitors since the start
of the current drive cycle.
If the monitors are not supported for THIS DRIVING CYCLE, then the scan tool
only shows monitors for SINCE DTCs CLEARED with no header on line 1.
Abbreviated Name Expanded Name
Misfire Monitor ..............................Misfire Monitor
Fuel System Mon .........................Fuel System Monitor
Com Component ..........................Comprehensive Components Monitor
Catalyst Mon ................................ Catalyst Monitor
Htd Catalyst..................................Heated Catalyst Monitor
Evap System Mon ........................Evaporative System Monitor
Sec Air System ............................Secondary Air System Monitor
A/C Refrig Mon.............................Air Conditioning Refrigerant Monitor
Oxygen Sens Mon .......................Oxygen Sensor Monitor
Oxygen Sens Htr .........................Oxygen Heater Sensor Monitor
EGR System Mon ........................Exhaust Gas Recirculation System Monitor