Manual Controller Blower Check - Hyundai Tiburon 2003 Workshop Manual

BLOWER CHECK
Perform the blower check in manual blower running state because it is difficult to check blower at automatic control. Blower
is controlled from level l to level 7 equally as in button operation and running logic. In turning on IG, blower relay is ON and
voltage of 0.1 to 1.4V is transferred from FATC connector A-4 terminal to base source of power TR according to FATC
control (selectable from level 1 to level 7). At this time, voltage of blower motor's both ends is determined according to
collector voltage of FATC connector A-5 terminal. If FATC is controlled in level 7, GND(0V) is supplied for FATC
connectorA-18 terminal and high blower relay is driven.
ERROR DIAGNOSTICS
Symptoms
Amount of wind is wrong at manual
selection of blower
Blower wind is discharged despite
pressing OFF switch
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Causes
Power TR error
Power TR error
How to check
Check voltage of blower motor's both ends.
(Level 1: 3.8V, Level 2: 5.2V, Level 3: 6.5V,
Level 4: 7.9V, Level 5: 9.2V, Level 6: 10.6V,
Level 7: 13.5V [high-relay operation])
Measure voltage of each terminal and if there is
difference more than ±0.6V, check power TR.
Power TR change
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24.04.2008