Checking signal cable, air filter
temperature switch
Tools:
885675 Break-out cable
88890074 Multimeter
1 NOTICE! Turn ignition off.
2 Disconnect the connector from the sensor
3
Connect break-out cable 885675 to the cable har-
ness connector to the engine control unit.
4 Use multimeter 88890074 for voltage measure-
ment.
5 NOTICE! Turn ignition on.
Measurement points Nominal value
3–4 U ≈ 5 V
1 Turn ignition off.
2 Connect break-out cable 885675 between the sen-
sor and the engine control unit.
3 Turn ignition on.
Measurement points Nominal value
3–4 U ≈ 0.5 – 4.5 V (depended
of the temperature)
885675
2
3
4
5
1
3
4
P0013499
885675
2
3
4
5
1
3
4
P0013500
30-2 Fault Tracing
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