HEATERS - Service Adjustment Procedures 24-5
SERVICE DJUSTMENT PROCEDURES
TEMPERATURE CONTROL SYSTEM ADJUST-
ENT
N24FAAD
MODE SELECTION LEVER
1. Move the mode selection lever to each position and check
the air flow with the blower operating.
2. If the air flow is not correct for any position of the mode
selection lever, adjust the mode selection control wire. If
this adjustment does not help, adjust the damper.
Adjustment of the Mode Selection Control Wire
1. Disconnect the defroster duct and the lap heater duct (B)
at the driver’s seat side from the heater unit.
2. Disconnect the mode selection control wire from the
mode selection damper lever and the heater unit,‘s clip.
3. Set the mode selection lever of temperature control to the
” ws ” position.
4. Turn the mode selection damper lever all the way in the
direction of the arrow.
5. Connect the mode selection control wire to the mode
selection damper lever, and to the clip part of the heater
unit.
Caution
Be careful that the lever does not move when clipping.
6. Check to be sure that the mode selection lever moves
smoothly to each position and that the air flow is correct
for each position.
7. If the air flow is not correct for any position of the mode
selection lever even after the mode selection control wire
has been adjusted, adjust the “VENT” damper and the
“FOOT/DEF” damper.
8. Connect the driver’s side defroster duct and lap heater
duct (B) to the heater unit.
Adjustment of the Damper
1. Disconnect the. mode selection control wire from the
mode selection damper lever and the heater unit’s clip.
2. Adjust the “VENT” damper as described below:
(1) Unfasten the clip of the mode selection damper lever,
and disconnect the link for the “VENT” damper from
the mode selection damper lever.
1 STB Revision
