Toyota 2GR-FE Manual page 953

OK
2
CHECK WIRE HARNESS (MAIN BODY ECU - STEERING LOCK ECU)
Wire Harness Side:
2GR-FE STARTING – SMART KEY SYSTEM
OK:
DTC B2785, DTC B2287 and DTC B2781 are not
output.
HINT:
• If DTC B2785 is output (See page EI-29).
• If DTC B2287 is output (See page ST-85).
• If DTC B2271 is output (See page ST-31).
NG
(a) Disconnect the E7 and E51 ECU connectors
E7
Main Body ECU
SLP
(b) Measure the resistance according to the value(s) in the
table below.
Standard resistance
Tester Connection
E7-18 (SLP) - E51-4
(SLP1)
E7-18 (SLP) or E51-4
(SLP1) - Body ground
NG
GO TO DTC CHART
E51
Steering Lock ECU
SLP1
Condition
Always
Always
REPAIR OR REPLACE HARNESS OR
CONNECTOR
ST–91
B137999E01
ST
Specified Condition
Below 1 Ω
10 kΩ or higher