Toyota 2GR-FE Manual page 956

ST–94
WIRING DIAGRAM
E58
Certification ECU
INSPECTION PROCEDURE
1
CHECK FOR DTCS
Result
"DTC B2289" only
"DTC B2785" only
No DTC
A
ST
2
CHECK WIRE HARNESS (MAIN BODY ECU - CERTIFICATION ECU)
2GR-FE STARTING – SMART KEY SYSTEM
LIN
10
Display (DTC output)
Instrument Panel J/B
9
IR
(a) Delete the DTCs (See page ST-26).
(b) Check for DTC B2289 and B2785.
HINT:
• If DTC B2785 is output, perform troubleshooting for
DTC B2785 first (See page EI-29).
B
GO TO DTC B2785
C
CHECK INTERMITTENT PROBLEMS
(a) Disconnect the E58 and IR ECU connectors.
Main Body ECU
LIN1
14
B137989E02
Proceed to
A
B
C