Honda Acura NSX 1991 Service Manual page 1104

Cooling Fan Control
PGM-FI MAIN
Terminal Wire
1
2 LT GRN Coolant temperature sensor @
Climate control unit
3
Radiator fan high and engine
4
room fan relays coil @
5 BLK Ground (G403)
6
7 Coolant temperature sensor @
8
Condenser fan relay coil 0
9
1 0 BLU/BLK PGM-FI ECU (AC9
IG2 (power supply)
1 1
1 2 Radiator fan low relav coil 0
23-l 18
n
Destination
Not used
Disconnect the 3-P connector from the resistor.
1 .
2. Using an ohmmeter, measure resistance between
the A and B termianls. Replace the resistor if the
resistance is not within specifications.
NOTE: Resistance will vary with the resistor tem-
perature; specifications are at 20°C (70°F)
Radiator Fan Resistor
Resistance:
3-P COPNNECTOR
A
\
L O C K
ohms
RESISTOR
I
View from
terminal side