Engine Control System - System And Circuit Testing, On-Vehicle Inspection, Removal, Inspection & Installation: ECM: Installation

1. Install the ECM to the ECM lower bracket with the 2 screws.

   Torque: 3.0 N*m (30 kgf*cm, 27 in.*lbf) 

   Fig 1: Locating ECM Lower Bracket Screws

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2. Connect the 2 ECM connectors.
   1. Connect the 2 connectors to the ECM and lower the 2 levers.
   NOTE: Make sure that the 2 levers are securely lowered.
   Fig 2: Connecting Connectors To ECM

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3. Install the ECM with bracket with the 2 nuts.

Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf) 

Fig 3: Locating ECM Nuts

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1. Connect the 2 connectors to the hybrid vehicle control ECU and push each lock lever down to lock the connectors.
   NOTE:

   • Make sure that the lock lever is raised 90° before connecting the connectors. Failure to do this may cause the lock lever and terminals to break.
   • Do not twist the wire harness when connecting the connectors.
   Fig 4: Installing Hybrid Vehicle Control ECU

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2. Install the ECU with the 2 screws.

   Torque: 3.0 N*m (30 kgf*cm, 27 in.*lbf) 

3. Install the bracket with the 4 screws and nut.

   Torque: 3.0 N*m (30 kgf*cm, 27 in.*lbf) for screw 

   5.5 N*m (56 kgf*cm, 49 in.*lbf) for nut 

   Fig 5: Locating ECU Screws

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4. Attach the 3 wire harness clamps.
5. Attach the side of the wire harness clamp labeled A to the wire harness.

Fig 6: Identifying Wire Harness Clamps

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1. Install the reservoir with the 2 bolts.

   Torque: 5.0 N*m (51 kgf*cm, 44 in.*lbf) 

2. Connect the inverter drain hose to the bracket.
Fig 7: Locating Reservoir Bolts
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1. Perform initialization (see INITIALIZATION ).