Secondary relay carrier, E-Box right plenum chamber, removing and installing
Removing
- Remove wiper arms → Wiper arms, removing and installing .
- With ignition switched off, disconnect battery Ground (GND) wire → Battery, disconnecting and connecting .
- Remove rubber seal - 1 - for plenum chamber cover.
- Remove plenum chamber cover - 2 -.
- Remove bolts - arrows - for cowl grille - 1 - at left and right.
- Carefully pull cowl grille off locking mechanism on windshield.
E box right plenum chamber, old version:
- Remove bolts - arrows -.
CAUTION:
Pump-valve unit of heater (left in front of E box) heats up significantly during operation - danger of burns!
- Remove cover of E-Box in right plenum chamber.
- Carefully pry off mounting bracket - 3 - using screwdriver - arrows 1 and 2 - and remove engine control module from E box right plenum chamber.
NOTE:
- Engine Control Module (ECM) remains connected at wiring harness.
- Remove electrical harness connector - 1 - from main fuse carrier - 2 -.
NOTE:
- Disregard - 4 - and - 5 -.
E box right plenum chamber, new version:
- Release clips - arrows - and remove one (or two) engine control modules - 1 - and - 2 -.
NOTE:
- The engine control modules remain connected at wiring harness.
- Remove bolts - arrows -.
CAUTION:
Pump-valve unit of heater (left in front of E box) heats up significantly during operation - danger of burns!
- Remove cover of E-Box in right engine compartment.
Fig 7: Releasing Locking Mechanisms And Pulling Secondary Relay Carrier In E Box Right Plenum Chamber Off Upward
All:
- Release locking mechanisms - arrows - and remove secondary relay carrier in E-Box right plenum chamber upward.
- Unclip bracket for additional fuses on relay and fuse carrier.
- Remove relay or control modules, then unclip respective relay carrier.
NOTE:
- For exact assignment of secondary relay carrier E-Box right plenum chamber, refer to current wiring diagram → Electrical Wiring Diagrams, Troubleshooting and Component Locations.
Installing
Installation is performed in reverse order of removal, noting the following:
- Connect battery. Required actions Battery, disconnecting and connecting .
- Adjust wiper arms → Wiper arms, adjusting .
Tightening torques
| Component | Nm |
| Electrical wires to main fuse carrier | 9 |
| Cover to E box right plenum chamber | 4 |
| Cowl grille to blower box | 2.7 |