April 5, 2026: LEMON Manuals is launched! Read the announcement.

Power Steering Ecu: Removal

REMOVE BATTERY
1. Disconnect the cable from the negative (-) battery terminal
  CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.
  
  NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
  
  Fig 1: Identifying Clamps
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the 2 clamps
3. Disconnect the cable from the positive (+) battery terminal.
4. Remove the nut and the battery clamp.
5. Remove the battery insulator.
6. Remove the battery.
REMOVE NO. 1 BATTERY TRAY SUPPORT
REMOVE POWER STEERING ECU ASSEMBLY
1. Release the locks of the 2 power steering ECU assembly connectors (A) and (B)
  
  Fig 2: Disconnecting Connectors From Power Steering ECU Assembly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the connectors (A), (B) and (C) from the power steering ECU assembly
3. Remove the 3 bolts
4. Remove the power steering ECU assembly.

Fig 3: Locating Power Steering ECU Assembly With Bolts

G05752953

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002