Reading And Erasing Diagnostic Trouble Codes; Method Using Up-Time Or Multi-Use Tester Iii; Current Diagnostic Trouble Code - Mitsubishi 6M60-TL Service Manual

5. Reading and Erasing Diagnostic Trouble Codes

Up-Time or Multi-Use Tester III is used to read or erase the diagnostic trouble code. And also, a method using the di-
agnostic switch and memory clear switch without these tools is available.

5.1 Method using Up-Time or Multi-Use Tester III

Refer to each service tool manual.

(1) Current diagnostic trouble code

• Set the starting switch to ON.
• Disconnect the diagnostic switch connector.
• The diagnostic trouble code is displayed by flashes of the warning lamp.
(2) Reading diagnostic trouble code
• Diagnostic trouble codes are indicated by the number of times
the warning lamp flashes and their duration.
• The flashing intervals also differ between the 10s digit and
units digit.
• 10s digit: 1.2 second interval
• Units digit: 0.4 second interval
• The display of diagnostic trouble codes starts from the 10s digit
and next units digit. When the 10s digit of a diagnostic trouble
code is 0, only the units code is displayed.
• Some diagnostic trouble codes are displayed from the 10s unit in
numeral followed by alphabet in place of the numeral for the
units digit, in which case alphabetical letters are represented by
the following numbers flashes.
A: 10 times; B: 11 times; C: 12 times; D: 13 times;
E: 14 times; F: 15 times
Example)
Diagnostic trouble code 8A. The lamp flashes 8 times for the
10s digit, followed by 10 times for A as the unit's digit.
• Each diagnostic trouble code is displayed three times in succes-
sion.
• If there is no more code stored, the sequence is then repeated
from the beginning with each code indicated three times.
• When the diagnostic switch is connected, the engine control unit
will immediately stop displaying codes.
(3) Past diagnostic trouble codes
• After reading the current diagnostic trouble codes (with the diag-
nostic switch disconnected), disconnect the memory clear
switch. Then the
• This time, the warning lamp displays the past diagnostic trouble
codes. Determine the fault locations based on the indicated
codes.
warning lamp will restart flashing.
13E
13E-39