Toyota 2GR-FE Manual page 966

ST–104
11
INSPECT ECM (ACCR VOLTAGE)
Main Body ECU
ACCR
OK
12
INSPECT ECM (STR2 VOLTAGE)
Main Body ECU
ST
OK
13
CHECK WIRE HARNESS (MAIN BODY ECU -ECM - ENGINE ROOM R/B)
2GR-FE STARTING – SMART KEY SYSTEM
(a) Reconnect the connector.
(b) Measure the voltage according to the value(s) in the
E6
B138007E01
(a) Measure the voltage according to the value(s) in the
E9
STR2
B138004E02
(a) Remove the ST CUT relay from the engine room R/B.
table below.
Standard voltage
Tester Connection
(Symbols)
Brake pedal depressed,
ACCR (E6-3) - GND2 shift lever P position,
(IM-9) engine switch is
pushed once → on (IG)
1
* : Voltage is output only when the engine is cranking.
HINT:
If the result is not as specified, perform troubleshooting
for DTC B2276 first (See page ST-51).
NG
GO TO DTC B2276
table below.
Standard voltage
Tester Connection
(Symbols)
Brake pedal depressed,
STR2 (E9-6) - GND2 (IM- shift lever P or N
9) position, engine switch
1
* : Voltage is output for 0.3 seconds when the engine is
cranking to start.
NG REPLACE ECM
Condition Specified Condition
0.1 to 0.8 V*
voltage at terminal AM1
or AM2 is -2 V or more.
Condition Specified Condition
Output voltage at
terminal AM1 or AM2 is -
3.5 V or more.*
on (ST)
→ Output
1
1