A00328
2
1
Intake Air Temp. Sensor
Engine ECU
E4
E4
THA
E2
R
5 V
E1
Y--G
16
5
LG--B
DI--32
--
DIAGNOSTICS
ENGINE (1RZ--E)
DT C 24 I ntake Ai r Tem p. Sensor Ci rcuit
CIRCUIT DESCRIPTION
The intake air temp. sensor is built into the air cleaner cap and senses the intake air temperature.
The structure of the sensor and connection to the engine ECU is the same as in the water temp. sensor
If the engine ECU detects the diagnostic trouble code ”24”, it operates the fail safe function in which the
intake air temperature is assumed to be 20
˚
C (68
˚
F).
DTC No.
Detection Item
Trouble Area
24
Open or short in intake air temp. sensor circuit for 0.5 sec
or more.
S
Open or short in intake air temp. sensor circuit.
S
Intake air temp. sensor
S
Engine ECU
WIRING DIAGRAM
DI1HR--01
CLICK HERE TO VIEW CHAPTER INDEX
Pages From Supplement
3RZ-F,3RZ-FE