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4 CHECK ENGINE COOLANT TEMPERATURE SENSOR
Check resistance as shown in the figure.
SEF152P
<Reference data>
MTBL0229
SEF012P
OK or NG
OK 䊳 GO TO 5.
NG 䊳 Replace engine coolant temperature sensor.
5 CHECK THERMOSTAT OPERATION
When the engine is cold [lower than 70°C (158°F)] condition, grasp lower radiator hose and confirm the engine coolant
does not flow.
OK or NG
OK 䊳 GO TO 6.
NG 䊳 Repair or replace thermostat. Refer to “Thermostat”, “ ENGINE COOLING SYSTEM”,
LC-13.
6 CHECK INTERMITTENT INCIDENT
Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-732.
䊳 INSPECTION END
DTC P0125 ENGINE COOLANT TEMPERATURE SENSOR (ECTS)
VG33E
Diagnostic Procedure (Cont’d)
EC-777
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
GI
MA
EM
LC
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