Toyota 2GR-FE Manual page 983

5
CHECK WIRE HARNESS (MAIN BODY ECU - BODY GROUND)
Wire Harness Side:
Main Body ECU
GND2
GND1
OK
6
CHECK FOR DTCS
OK
7
READ VALUE OF INTELLIGENT TESTER
2GR-FE STARTING – SMART KEY SYSTEM
(a) Disconnect the IF and IM ECU connectors.
(b) Measure the resistance according to the value(s) in the
IM
table below.
Standard resistance
Tester Connection
(Symbols)
IF-10 (GND1) - Body
IM-9 (GND2) - Body
NG
IF
B138008E01
(a) Delete the DTCs (See page ST-26).
HINT:
After all the DTCs are cleared, check if the trouble
occurs again 5 seconds after the engine switch is turned
on (IG).
(b) Check for DTCs again.
OK:
No DTC is output.
NG
(a) Connect the intelligent tester to the DLC3.
(b) Turn the engine switch on (IG).
(c) Check the DATA LIST for proper functioning of the start
switches 1 and 2.
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.
Condition
Always
ground
Always
ground
REPAIR OR REPLACE HARNESS OR
CONNECTOR
GO TO DTC CHART
ST–121
Specified Condition
Below 1 Ω
Below 1 Ω
ST