Toyota 2GR-FE Manual page 990

ST–128
4
CHECK WIRE HARNESS (MAIN BODY ECU - BODY GROUND)
Wire Harness Side:
Main Body ECU
GND1
OK
5
INSPECT RELAY (IG2 RELAY)
3 5
1 2
OK
6
CHECK WIRE HARNESS (ENGINE ROOM R/B - MAIN BODY ECU AND BODY GROUND)
ST
2GR-FE STARTING – SMART KEY SYSTEM
IM
GND2
IF
B138008E01
2
1
5
3
B060778E73
(a) Disconnect the IF and IM ECU connectors.
(b) Measure the resistance according to the value(s) in the
table below.
Standard resistance
Tester Connection
(Symbols)
IF-10 (GND1) - Body
ground
IM-9 (GND2) - Body
ground
NG
REPAIR OR REPLACE HARNESS OR
CONNECTOR
(a) Remove the IG2 relay from the engine room R/B No. 2.
(b) Measure the resistance according to the value(s) in the
table below.
Standard resistance
Tester Connection
3 - 5
3 - 5 (When battery voltage is applied to terminals 1 and
NG
REPLACE RELAY
(a) Remove the IG2 relay from the engine room R/B.
Condition Specified Condition
Below 1 Ω
Always
Below 1 Ω
Always
Specified Condition
10 kΩ or higher
Below 1 Ω
2)