Checking negative cable, wastegate
valve
Tools:
88890053 Break-out cable
88890074 Multimeter
1 NOTICE! Cut the current with the main switch.
2 Disconnect the connector from the wastegate reg-
ulator(1).
3
Connect break-out cable 88890053 to the cable
harness connector to the engine control unit.
4 Use multimeter 88890074 to do resistance meas-
urement against the engine control unit.
Measurement points Nominal value
7 – Battery negative(B-) R ≈ 0 Ω
30-2 Fault Tracing
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