This instruction show you guide on how to diagnose and repair differential speed between rear wheels and gearbox output.
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ZF Testman Pro Transmission Diagnostic Software Free Download
Failure detection: B7 signal from cluster (n_out-sensor) or wheel speed wrong
ZF-internal name: e_nOut_Plausi_ERR
ZF-internal type: DI_ET_INVALID_SIGNAL
System reaction: ErrorLevel 1
Failure reset condition: No Failure Signal
If failure reset condition is fulfilled: System reaction is reset after ignition off
Signal path: EDCÆCAN connection
Pertained component: EDC, CAN connection
ZF Transmission Differential Speed Trouble Diagnose and Repair Steps:
Failure Number: 002 e_nOut_Plausi_ERR
1 Check Sensor
If it work well,go to step 2
Otherwise change sensor
2 Check harness
If harness work well,go to step 3
Otherwise repair/change harness
3 Check CAN connection cable to EDC
If the CAN connection cable work good,go to step 4
Otherwise repair connecting cable
4 Check Engine Controller EDC
Change engine controller EDC