Check Can-Bus Line Terminal Resistance In Tcm - Chery Tiggo 2009 Service Manual

2.
CHECK DTC
• Turn ignition switch on.
• With the scan tool, select view TCM DTC and data stream.
Is DTC U0001 present?
Yes >>
Go to the next step.
No >>
The condition that caused this DTC is intermittent (See Diagnostic Help in Section 08 Transaxle &
Transfer Case).
Erase all codes and test drive the vehicle to verify the repair is complete.
3.
CHECK OTHER MODULE DTC
• With the scan tool X-431, attempt to enter all the other CAN communication modules such as ECM, CAN con-
verter module.
• Read the CAN DTCs.
Were other modules DTCs found?
Yes >>
If all of the other modules have the same DTC CAN Communication , go to the next step.
If all of the other modules have the DTC Lost communication with TCM , and do not have the CAN
Communication , replace and program the TCM module.
No >>
Go to step 8.
4.

CHECK CAN-BUS LINE TERMINAL RESISTANCE IN TCM

• Turn the ignition switch off.
• Disconnect the negative battery cable.
• Disconnect TCM connector.
• Check resistance between TCM connector 38 and 39.
CAN-H
38
Is the check result normal?
Yes >>
Go to the next step.
No >>
Replace TCM.
The problem caused by TCM internal error.
132
08–
DIAGNOSIS & TESTING
CAN TERMINAL RESISTANCE
CAN-L RESISTANCE
39 123
Chery Automobile Co., Ltd.