Honda Acura NSX 1991 Service Manual page 926

Troubleshooting
First, check for blown No.33 (7.5A)
No heater and AIC in either manu-
Remove the climate control unit
(page 22-84).
Disconnect the 30-P connector
from the climate control unit.
Turn the ignition switch ON.
Measure voltage between the
No.30 (WHT/YEL) terminal and
body ground.
Y E S
Measure voltage between:
No.28 (YEL/BLK) terminal and
l
body ground.
terminal and
No.27 (YEL/BLK)
l
body ground.
,
Is there battery voltage?
I
Y E S
To page 22-39
22-38
and No.4 (15A) fuses.
Repair open in WHTlYEL (No.301
wire between the control unit and
No.33 (7.5 A) fuse.
Repair open in YELlBLK (No.27 or
NO
No.281 wire between the control
unit and No.4 (15A) fuse.
I