IS 250C V6-2.5L (4GR-FSE) (2011)
Steering Control Module: Service and Repair
Removal
POWER ASSIST SYSTEMS: POWER STEERING ECU: REMOVAL
1. PRECAUTION (w/ Navigation System for HDD)
NOTICE:
After the engine switch is turned off, the display and navigation module display (HDD navigation system) records various types of
memory and settings. As a result, after turning the engine switch off, make sure to wait at least 60 seconds before disconnecting the
cable from the negative (-) battery terminal.
2. REMOVE BATTERY
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the connector and clamp.
(c) Disconnect the cable from the positive (+) battery terminal.
(d) Remove the nut and battery clamp.
(e) Remove the battery insulator.
(f) Remove the battery.
3. REMOVE NO. 1 BATTERY TRAY SUPPORT
4. REMOVE POWER STEERING ECU ASSEMBLY
(a) Release the locks of the 2 power steering ECU assembly connectors (A) and (B).
(b) Disconnect the connectors (A), (B) and (C) from the power steering ECU assembly.
(c) Remove the 3 bolts.
(d) Remove the power steering ECU assembly.