Turn ignition switch OFF and disconnect the negative (-) battery cable.
Remove the ECM.
(Refer to the Fuel system group - "Engine Control Module")
Remove the battery and battery tray.
(Refer to the Engine electrical group - "Battery")
Pull up the lock of the HECU connector, and then disconnect the connector.
Disconnect the brake tubes from the HECU by unlocking the nuts counterclockwise with a spanner.
Tightening torque:
A : 12.7 ~ 16.7 N.m (1.3 ~ 1.7 kgf.m, 9.4 ~ 12.3 lb-ft)
B : 18.6 ~ 22.6 N.m (1.9 ~ 2.3 kgf.m, 13.7 ~ 16.6 lb-ft)
Loosen the HECU bracket bolt (A) and nut (B), then remove HECU and bracket.
Tightening torque:
16.7 ~ 25.5 N.m (1.7 ~ 2.6 kgf.m, 12.3 ~ 18.8 lb-ft)
Never attempt to disassemble the HECU.
The HECU must be transported and stored in.
Never shock to the HECU.
Remove the 3 bolts, and then remove the bracket from HECU.
Tightening torque:
11 ~ 14 N.m (1.1 ~ 1.4 kgf.m, 8.1 ~ 10.3 lb-ft)
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 ABS bleeding)