PANEL ERRORS" SECTION. IF THERE ARE ERRORS PRESENT, SOLVE THE FAULT
AND SELECT "CLEAR ERRORS"; IF THERE ARE NO ERRORS PRESENT, go to 12
•
12 - IN THE "ENGINE PARAMETER READING" SCREEN PAGE, DOES THE "AIR TEM-
PERATURE" PARAMETER INDICATE A VALUE EQUIVALENT TO ROOM TEMPERA-
TURE?
YES, go to 13; NO, note A
•
13 - IN THE "ENGINE PARAMETER READING" SCREEN PAGE, DOES THE ENGINE
TEMPERATURE PARAMETER WITH COLD ENGINE INDICATE A VALUE SIMILAR TO
THAT OF THE AIR TEMPERATURE PARAMETER? AFTER STARTING THE ENGINE,
DOES THE PARAMETER INCREASE GRADUALLY INDICATING A CORRECT VALUE?
YES, go to 14; NO, note B
•
14 - IN THE "ENGINE PARAMETER READING" AND THE "LAMBDA CORRECTION"
SCREEN PAGES, WITH ENGINE AT IDLE AND ENGINE TEMPERATURE AT > 65°C,
DOES THE VALUE VARY WITHIN THE 0.85 - 1.15 RANGE?
YES, go to 15; NO, note C
•
15 - IN THE "ENGINE PARAMETER READING" WITH ENGINE AT IDLE AND ENGINE
TEMPERATURE >65°c, "FRONT THROTTLE CORRECTION" OR "REAR THROTTLE
CORRECTION", WITH ENGINE AT IDLE, ARE THE PARAMETERS INCLUDED WITHIN
(-0.8° - +0.8°) INTERVAL? AND IN THE SAME SCREEN PAGE, ARE THE "FRONT
THROT., POT. 1 (DEGREES)" AND " "REAR THROT., POT. 1 (DEGREES)", WITH EN-
GINE AT IDLE, > OR = A 0.5°? CAUTION: THE DIFFERENCE OF THE THROTTLE
CORRECTION VALUES BETWEEN THE REAR AND FRONT CYLINDER MUST NOT BE
>1°
YES, go to 16; NO, note D
•
16 - CHECK: ENGINE SPEED SENSOR, FUEL PRESSURE, INJECTORS (MECHANICAL
OPERATION), COILS (SPARK), ENGINE MECHANICS - END
Note A: SEE THE "ELECTRICAL SYSTEM/CHECKS AND CONTROLS/AIR TEMPERATURE SEN-
SOR" CHAPTER.
Note B: SEE THE "ELECTRICAL SYSTEM/CHECKS AND CONTROLS/ENGINE TEMPERATURE
SENSOR" CHAPTER.
Note C: SEE THE "ELECTRICAL SYSTEM/CHECKS AND CONTROLS/LAMBDA PROBE" CHAP-
TER.
Note D: SEE THE "ELECTRICAL SYSTEM/CHECKS AND CONTROLS/THROTTLE BODY" CHAP-
TER.
See also
Checks and inspections
TUONO V4 R Troubleshooting
TROUBL - 83
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