Checking signal cable, intake
manifold pressure sensor
Tools:
885675 Break-out cable
88890074 Multimeter
1 NOTICE! Cut the current with the main switch.
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 to do resistance meas-
urement against the engine control unit.
Measurement points Nominal value
4–1 R ≈ 80 – 120 k Ω
NOTICE! Measurement is done to eliminate short cir-
cuiting
or
breaks in the cable to the engine control unit.
Checking air inlet pressure sensor
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 between the sen-
sor and the engine control unit.
4 Use multimeter 88890074 for voltage measure-
ment.
5 Turn ignition on.
Measurement
points
Nominal value
1–4 U ≈ 1,1 V (at normal
atmospheric pressure)
885675
2
3
4
5
1
885675
1
4
P0013488
1
4
P0013489
30-2 Fault Tracing
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