Toyota 1996 LAND CRUISER User Manual page 507

INSPECTION PROCEDURE
TOYOTA hand−held tester
1 Connect the TOYOTA hand−held tester and read value of EGR gas temp. value.
PREPARATION:
(a) Remove the fuse cover on the instrument panel.
(b) Connect the TOYOTA hand−held tester to the DLC3.
(c) Turn ignition switch ON and push the TOYOTA hand−held tester main switch ON.
CHECK:
Read EGR gas temp. on the TOYOTA hand−held tester.
OK:
EGR gas temp.: 10°C (50°F) or more
HINT:
If there is and open circuit, the TOYOTA hand−held tester indicates 3.1°C (37.6°F).
NG
2 Check for open in harness or ECM.
ON
EGR Gas Temp.
Sensor
1
2
BE6653
FI7055
NG
1996 LAND CRUISER (RM451U)
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DIAGNOSTICS
OK
PREPARATION:
(a) Disconnect the EGR gas temp. sensor connector.
(b) Connect sensor wire harness terminals together.
ECM
(c) Turn ignition switch ON.
5V
CHECK:
19
THG
E4
Read EGR gas temp. on the TOYOTA hand−held tester.
9
E2
OK:
E5
EGR gas temp.: Approx. 157.5°C (315.5°F)
A00168
OK
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Version 1.00 - 12/21/2010
− ENGINE
Go to step 4.
Confirm good connection at sensor.
If OK, replace EGR gas temp. sensor.
DI−71