REPAIR INSTRUCTIONS, PART 2
Page 387
EECU AND SENSOR SERVICE
PROCEDURES (IN-CHASSIS)
Engine Electronic Control Unit
(EECU) and Cooling Plate Removal
[230 EA]
The following procedure applies for an EECU
mounted to the cooling plate at the front left side
of the engine.
1. Thoroughly clean and dry the area around
the EECU harness connector to make sure
the terminals remain clean and dry for
reassembly.
2. Remove the bolt securing the EECU wiring
harness clamps to the EECU cooling plate
bracket.
3. Disconnect the wiring harness connectors
from the EECU (Figure 461).
Use care when removing the harness connectors
from the module. Be sure to lift the locking lever
to the full-open position before pulling a
connector from the module to avoid damage to
the lever.
461
Figure 461 — EECU Connectors
4. Remove the eight bolts, two each at the top,
bottom and sides, that secure the EECU to
the cooling plate.
5. Carefully remove the EECU from the cooling
plate (Figure 462). The cooling plate can
remain attached to the inlet and coolant
manifolds providing the plate is not being
replaced. If the plated is to be replaced,
continue on with the next step.
1. Connector EJ2 (89 Pin)
2. Connector EJ1 (36 Pin)
3. Connector EJ3 (16 Pin)
4. EECU Harness Clamp
Bolt
5-111.bk Page 387 Monday, July 10, 2006 2:26 PM
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