Checking negative cable, fuel
sensor
Tools:
885675 Break-out cable
88890053 Break-out cable
88890074 Multimeter
1 NOTICE! Cut the current with the main switch.
2 Disconnect the connector from the sensor
3
TAD1250-1252 and TWD1643/TWD1663/
TWG1663GE:
Connect adapter cable 885675 to the cable har-
ness connector to the engine control unit.
TAD950-952:
Connect adapter cable 88890053 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 – Battery negative
(no fuel bleeding pump)
R ≈ 0 Ω
4 – Battery negative
(with fuel bleeding pump)
R ≈ 0 Ω
NOTICE! Measurement is done to eliminate short cir-
cuiting
or
breaks in the cable to the engine control unit.
885675
p0013474
30-2 Fault Tracing
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