Subsection 01 (DIAGNOSTIC AND FAULT CODES)
NOTE:
The page displays data whatever there is
fault code(s) or not.
rmr2011-070-003_a
1. History tab
2. Additional history pages
HISTORY PAGE DESCRIPTION
ITEM
INFORMATION
Minimum/
Maximum
Display the minimum and maximum
values encountered. Click "Clear
Min/Max" to reset the values
Run time
Display the time proportion in what
mode the engine was running in
RPM
profile
Display the RPM range proportion in
which the engine was running in
When a minor fault occurs:
– Turn ignition key OFF.
– Wait 30 seconds.
– Turn ignition key ON.
This should change the fault state from "Active" to
"Occurred".
The vehicle should then operate normally.
If a sensor-related fault persists, you may try
disconnecting/reconnecting the sensor.
Read the following for a general approach to trou-
bleshoot fault codes (active or occurred).
GENERAL GUIDELINES TO SOLVE FAULT CODES
CONDITION
ACTION
Troubleshooting vehicle
Use B.U.D.S. to:
Read fault codes.
Display "Active" faults to see components currently not operating normally.
Display "Occurred" faults to troubleshoot intermittent problems.
Monitor system(s), sensor(s), switches and actual conditions.
Activate component(s) for troubleshooting.
Set components (resets etc).
Know the last minute of operating conditions by using the "History" page.
Know the operating conditions, if available, when a fault code occurred by
using the "More details" button in the fault page.
New fault(s) appear after a vehicle
maintenance or repair
Check sensor connections or mixed up connections.
Before
vehicle maintenance:
Read the electronic modules with B.U.D.S.
After
vehicle maintenance:
Read the electronic modules with B.U.D.S.
Compare the fault code(s) before and after the maintenance
using the printed copy and the current B.U.D.S. reading.
Investigate only the newly fault codes.
Clear all occurred faults in B.U.D.S.
Communication faults displayed as
"Occurred" after module flashing
Normal behavior when flashing a module.
Clear all occurred faults and check again.
Sensor "Active" fault
Read the fault description in B.U.D.S.
Click on the "More Details" button.
Look at the "Conditions" when available.
Read the "Possible Causes".
Apply the "Service Actions".
6
vmr2016-408
