96
12/04
SPIDER MAX 500
B
F. 77
Disconnect the coolant temperature sensor
connector.
Measure the resistance of sensor across the
terminals indicated in the picture.
Make sure that the resistance matches the values
stated on the basis of the temperature function.
RESISTANCE
TEMPERATURE
9,6 K
Ω
-10° C
5,975 K
Ω
0
3,81 K
Ω
+10° C
2,5 K
Ω
Ω
Ω
Ω
Ω
+20° C
1,68 K
Ω
+30° C
0,3 K
Ω
+80° C
Replace the sensor.
Connect the sensor connector and repeat the resistive check across PIN 4 and PIN 22.
PIN 4 - PIN 22 = Resistance corresponds to the value measured directly by the sensor.
In case that slightly higher values are
measured, check the connectors.
In case of infinitive resistance (>1M
Ω
)
check the continuity across the two
lines with the connectors disconnected.
Yellow/green
Central PIN 4 = 0
Ω
(continuity)
Orange/white
Central PIN 22 = 0
Ω
(continuity)
Restore the interrupted line.
F. 76
F. 78
1
3
SEE
TABLE
SEE
TABLE
