Weichai America Corp.
70
6.2
Engine Control Unit (ECU) Assembly and Disassembly
6.2.1 Engine Control Unit Exploded View
Fig. 6-3 Exploded view of Engine Control Unit
No.
name
No.
name
No.
name
1
Hexagon bolt
3
Hexagon bolt
5
Support screw
2
ECU
4
ECU bracket
6.2.2 ECU Disassembly Procedure
1.
Remove the fuse box bolts. Remove the fuse box from the bracket.
2.
Remove the Harness ECU Connection from the ECU.
3.
Remove the ECU bolts. Remove the ECU from the bracket.
6.2.3 ECU Assembly Procedure
Reverse the disassembly procedure to assemble the ECU
6.2.4 Inspection and Maintenance of ECU
1.
Check to see if any ECU connection pins are corroded, bent, broken, missing, or damaged.
Replace the pins if necessary.
2.
Check the plastic portion of the ECU connection for damage. Replace the ECU if there is any
damage.
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