| Removal |
| 1. |
Turn the ignition switch OFF. |
| 2. |
Disconnect the brake tubes from the HECU by unlocking the nuts counterclockwise with a spanner.
[LHD]
[RHD]
|
| 3. |
Pull up the lock of the HECU connector , then disconnect the connector. |
| 4. |
Loosen the HECU bracket bolts (A) and nut (B), then remove HECU and bracket.
[LHD]
[RHD]
|
| 5. |
Remove the 3 bolts, then remove the bracket from HECU.
|
| Installation |
| 1. |
Installation is the reverse of removal. |
| 2. |
Tighten the HECU mounting bolts and nuts to the specified torque. |
| 3. |
After installation, bleed the brake system.
(Refer to ABS bleeding)
|
| 4. |
Variant coding.
2WD and 4WD vehicle are sharing the HECU each other. To apply appropriate vehicle, HECU needs to variant coding process.
Variant coding process is necessary when :
Perform the Variant coding.
|
| 5. |
Perform the Longitudinal Sensor Calibration.
(Refer to ESC (Electronic stability system) - "Longitudinal G Sensor") |






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