Repair Procedures: Installation
- Installation is the reverse of removal.
- Tighten the HECU mounting bolts and nuts to the specified torque.
- After installation, bleed the brake system. (Refer to BRAKE SYSTEM
)
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:
- HECU is replaced.
- C1702 DTC (variant coding error) code is detected.