TROUBLE DIAGNOSES — Self-diagnosis — Mode III (Cont'd) SELF-DIAGNOSTIC PROCEDURE
EF & EC-70flowchartSelf-diagnosis — Mode III (Cont'd) SELF-DIAGNOSTIC PROCEDURE
SELF-DIAGNOSTIC PROCEDURE — Mode III
1
DIAGNOSIS START
2
Pull out E.C.U. from dash side panel.
3
Start engine and warm it up to normal engine operating temperature. (Drive vehicle for about 10 min.)
4
Turn diagnostic mode selector on E.C.U. fully clockwise.
Flashing 3 times
5
After the inspection lamps have flashed 3 times, turn diagnostic mode selector fully counterclockwise.
6
Mode III
7
Make sure that inspection lamps are displaying Code No. 55.
O.K.
return to step 9
N.G.
8
Write down the malfunctioning Code No.
Turn ignition switch "OFF".
Turn ignition switch "OFF".
See decoding chart.
Check malfunctioning parts and/or perform real time diagnosis system inspection. If malfunction part is found, repair or replace it.
9
Turn diagnostic mode selector on E.C.U. fully clockwise. [Memory erasing procedure]
Flashing 4 times
10
After the inspection lamps have flashed 4 times, turn diagnostic mode selector on E.C.U. fully counterclockwise.
11
Mode IV
12
Turn ignition switch "OFF".
13
Reinstall the E.C.U. in place.
DIAGNOSIS END
CAUTION
During displaying Code No. in self-diagnosis mode (Mode III), if the other diagnostic mode should be done, make sure to write down the malfunctioning Code No. before turning diagnostic mode selector on E.C.U. fully clockwise, or select the diagnostic mode after turning switch "OFF". Otherwise self-diagnosis information stored in E.C.U. memory until now would be lost.
See also
Mode III · Mode IV