U1004
DTC U1004 Lost Communication with Engine Gateway ModuleDESCRIPTION
If 2 or more DTCs are output during the DTC check, one side of the CAN branch wire may be open. (One side of the CANH [branch wire] /CANL [branch wire] of the ECU and/or sensor is open.)
Wiring Diagram (Part 1):
Wiring Diagram (Part 2):
Step 1:
Step 2-3:
Step 4-5:
Step 5 (Continued)-7:
Step 8-10:
Step 10 (Continued)-12:
Step 13-14:
Step 14 (Continued)-16:
Step 16 (Continued)-17:
Step 17 (continued)-19:
Step 20-22:
Step 23-24:
Step 25-26:
Step 26 (Continued)-27:
Step 27 (Continued)-28:
Step 28 (Continued)-29:
Step 29 (Continued)-30:
Step 30 (Continued)-32:
Step 33-35:
Step 36-37:
Step 38-39:
Step 40-41:
INSPECTION PROCEDURE