Fuel injection
9 - 76
Disconnect the coolant temperature sensor
connection.
Measure the sensor resistance between the
terminals indicated on the diagram.
Check that the resistance corresponds with the
NO
YES
Proceed with replacement of the sensor.
RESISTANCE TEMPERATURE
9.6KΩ -10° C
5.975KΩ 0
3.81KΩ +10° C
2.5KΩ +20° C
1.68KΩ +30° C
0.3KΩ +80° C
Connect the sensor connection and repeat
resistance control on terminals 4 and 22;
4-22 = Resistance equal to the value provided to
the sensor.
NO
On revealing slightly higher values, check the
connectors.
On revealing infinite resistance (>1MΩ) check continuity
of the two wires with connectors disconnected.
Bluee-white-4 = 0 Ω (continuity)
Light bluee-green-22 = 0 Ω (continuity)
Repair or replace the harness.
YES
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