Honda Acura NSX 1991 Service Manual page 918

Troubleshooting
Self-diagnosis indicator light G comes on: indicates a problem in the mode control motor circuit. Use a digital mul-
timeter (KS-AHM-32-003) to check it.
The mode control motor controls the outlet air direction and volume adcording to output from the control unit.
Problem in the mode control mo-
tor circuit.
Turn the ignition switch OFF.
Make sure all wires in the mode
control motor connector are se-
Make sure the
curely attached.
linkage is free of obstructions.
climate control unit
Remove the
(page 22-84).
Disconnect the both connectors
from the climate control unit.
Connect battery power to the
No. 16 terminal of the 30-P con-
nector, and connect the No. 2
terminal to body ground. The
mode control motor should run.
If it doesn't, try reversing the
connections.
L
I
motor run?
Does the
Y E S
At the heater disconnect the 7-P
connector from mode control
motor.
Check each wires for continuity:
GRY wire
l
l
l
l
l
To page 22-31
22-30
Test the mode control motor at
the heater (page 22-91).
Repair any open in the wire(s) be-
tween the motor and the control
No.6 (GRNIWHT)
No.21 (PNKIBLK)
No.14 IBLKIGRN)
MOTOR