Toyota 2GR-FE Manual page 942

ST–80
MAIN BODY:
Item
STR UNLOCK SW
OK
2
CHECK FOR DTCS
Result
"DTC B2285" only
"DTC B2287" and/or "DTC B2785"
No DTC
A
REPLACE MAIN BODY ECU
3
CHECK WIRE HARNESS (MAIN BODY ECU - STEERING LOCK ECU)
ST
2GR-FE STARTING – SMART KEY SYSTEM
(b) Check the DATA LIST for proper functioning of the
steering lock function.
HINT:
When using the intelligent tester with the engine switch
off, turn on and off any of the door courtesy light switches
repeatedly at 1.5 second intervals or less until
communication between the tester and vehicle starts.
Measurement Item/Display
(Range)
Steering lock condition / ON or
OFF
OK:
ON (steering is unlocked) and OFF (steering is
locked) appear on the screen.
NG
(a) Delete the DTCs (See page ST-26).
(b) Check for DTC B2285, DTC B2287 and DTC B2785.
Display (DTC output)
HINT:
• If DTC B2287 is output (See page ST-85).
• If DTC B2785 is output (See page EI-29).
B
C
(a) Disconnect the E7 and E51 ECU connectors.
Normal Condition
ON: Steering is unlocked
OFF: Steering is locked
Go to step 3
GO TO DTC CHART
CHECK INTERMITTENT PROBLEMS
Diagnostic Note
-
Proceed to
A
B
C