Toyota 2GR-FE Manual page 952

ST–90
DTC
DESCRIPTION
This DTC is output when the main body ECU cannot detect the unlock condition of the steering lock within
a specified time.
HINT:
When the main body ECU is replaced with a new one and the negative (-) battery terminal is connected,
the power source mode becomes the IG-ON mode. When the battery is removed and reinstalled, the
power source mode that was selected when the battery was removed is restored.
After the main body ECU is replaced, perform the registration procedures for the engine immobiliser
system (See page EI-8).
DTC No.
B2288
WIRING DIAGRAM
E51
Steering Lock ECU
INSPECTION PROCEDURE
1
CHECK FOR DTCS
ST
2GR-FE STARTING – SMART KEY SYSTEM
B2288 Steering Lock Signal Circuit Malfunction
DTC Detection Condition
After turning engine switch from off to on (IG), the
steering wheel does not unlock for a certain period of
time (ECU unlocks steering wheel only when it receives
an unlock signal from LIN communication and cable)
4
SLP1
• Main body ECU
• Steering lock ECU
• Wire harness or connector
(a) Delete the DTCs (See page ST-26).
(b) After all DTCs are cleared, check if the trouble occurs
again 5 seconds after the engine switch is turned on
(IG).
(c) Check for DTCs again.
Trouble Area
E7
Main Body ECU
18
SLP
B112452E04