COMMON RAIL SYSTEM
07-CR-E5,07-CR-TE5,07-CR-TIE5, DM
1-S138
9Y3200007CRS0174US0
1. Check the Intake AIr Temperature Sensor Signals
1. Place the key switch in the ON position, and check the "Intake
air temperature" and "Intake air temperature sensor output
voltage" on the diagnosis tool data monitor.
9Y3200007CRS0175US0
(1) Terminal Power (+12 V)
(2) Terminal Ground
(3) Terminal AFS
(4) Terminal IATS
(5) Terminal A-GND 10
(a) Pin Assignment
(b) Mass Air Flow (MAF) Sensor
(c) Intake Air Temperature
(Built-in MAF)
(d) Engine ECU Connector 1
(Engine Side)
(e) Engine ECU
Service specification
Actual intake air
temperature
Intake air temperature Output voltage
20 °C (68 °F) 20 °C (68 °F) Approx. 3.1 V
40 °C (104 °F) 40 °C (104 °F) Approx. 2.2 V
60 °C (140 °F) 60 °C (140 °F) Approx. 1.4 V
80 °C (176 °F) 80 °C (176 °F) Approx. 0.9 V
OK Clear the DTC and check whether it is output again or not.
OK Normal.
NG Replace the engine ECU.
NG Go to "2. Measure the Resistance Between Terminals".
(a) CAN1 Connector
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