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Self-Diagnosis System › Intake Air Temperature Sensor Circuit

Service Manual (KLZ1000C) page 632 — Self-Diagnosis System › Intake Air Temperature Sensor Circuit
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17-30 SELF-DIAGNOSIS SYSTEM
Intake Air Temperature Sensor (Service Code 13) (DTC P0110, P0112)
Intake Air Temperature Sensor Resistance
Inspection
• Remove     the intake air temperature sensor (see Intake Air
  Temperature Sensor Removal/Installation(17-28)).
• Suspend     the sensor [A] in a container of water so that the
  heat-sensitive portion is submerged.
• Suspend     a thermometer [B] with the heat-sensitive por-
  tion [C] located in almost the same depth with the sensor.
                               NOTE
    ○The sensor and thermometer must not touch the con-
      tainer side or bottom.

• Place  the container over a source of heat and gradually
  raise the temperature of the water while stirring the water
    gently for even temperature.
•   Using a digital meter, measure the internal resistance
    of the sensor across the terminals at the temperatures
    shown in the following.
    Intake Air Temperature Sensor Resistance
       Standard: 5.4  6.6 kΩ @0°C (32°F)
                  0.29  0.39 kΩ @80°C (176°F)
    If the reading is out of the standard, replace the sensor.
    If the reading is within the standard, but the problem still
    exists, replace the ECU.
Intake Air Temperature Sensor Circuit

     1. Intake Air Temperature Sensor
     2. ECU