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COMMON RAIL SYSTEM
V3800-CR-TE4,V3800-CR-TIE4, DM
1-S127
9Y1200192CRS0667US0
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.
9Y1200192CRS0198US0
(1) Terminal Power (+12 V)
(2) Terminal AFS-GND
(3) Terminal AFS
(4) Terminal IATS
(5) Terminal IATS-GND
(a) Terminal Layout
(b) Mass Air Flow (MAF) Sensor
(c) Intake Air Temperature
(Built-in MAF)
(d) ECU Connector 1
(A: 96 Pin)
Factory 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 ECU.
NG
Go to "2. Measure the Resistance Between Terminals".
(a) CAN1 Connector
KiSC issued 05, 2012 A