VDC(diag)-93
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AQ:DTC C0057 EGI COMMUNICATION
DTC DETECTING CONDITION:
No CAN signal from ECM.
TROUBLE SYMPTOM:
• ABS does not operate.
• VDC does not operate.
Step
Check
Yes
No
1
CHECK LAN SYSTEM.
Perform the diagnosis for LAN system. <Ref. to
LAN(diag)-24, OPERATION, Read Diagnostic
Trouble Code (DTC).>
Is there any fault in LAN sys-
tem?
Perform the diag-
nosis according to
DTC for LAN sys-
tem.
Go to step 2.
2
CHECK POOR CONTACT IN CONNECTORS. Is the poor contact in ECM
connector?
Repair the con-
nector.
Go to step 3.
3
CHECK ECM.
Is ECM normal?
Go to step 4.
Replace the ECM.
4
CHECK VDCCM&H/U.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the inspection mode.
4) Read the DTC.
Is the same DTC displayed?
Replace the
VDCCM&H/U.
<Ref. to VDC-7,
VDC Control Mod-
ule & Hydraulic
Control Unit
(VDCCM&H/U).>
It results from a
temporary noise
interference.
5
CHECK OTHER DTC DETECTION.
Is any other DTC displayed?
Perform the diag-
nosis according to
DTC.
Temporary poor
contact occurs.
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Page 29: ...FS 28 FRONT SUSPENSION General Diagnostic Table ...
Page 56: ...RS 26 REAR SUSPENSION General Diagnostic Table ...
Page 69: ...WT 12 WHEEL AND TIRE SYSTEM General Diagnostic Table ...
Page 148: ...DI 78 DIFFERENTIALS General Diagnostic Table ...
Page 215: ...ABS 20 ABS G Sensor ...
Page 458: ...VDC diag 136 VEHICLE DYNAMICS CONTROL VDC DIAGNOSTICS General Diagnostic Table ...
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