Honda Acura NSX 1991 Service Manual page 1100

Cooling Fan Control
'NOTE Several different wires have the same color. They have-been given a number suffix to distinguish them
(for example WHT' and WHT' are not the same).
BATTERY
MAIN FUSE BOX
PGM-FI ECU
A/C PRESSURE SWITCH
A (HI, LO): ON between 210 kpa (2.1 kg/cm2, 30 psi) and 2700 kpa (27 kg/cm2, 384 psi)
23-114
COOLING FAN CONTROL UNIT
C L I M A T E
A
IGNITION
S W I T C H DASH FUSE BOX
A
ILK
1 2
4
B
,
A/C SYSTEM
CLUTCH RELAY
CONTROL