Service Manual (KLZ1000C) — page 631 of 762

Text on this page

SELF-DIAGNOSIS SYSTEM 17-29
Intake Air Temperature Sensor (Service Code 13) (DTC P0110, P0112)
Intake Air Temperature Sensor Output Voltage
Inspection
                              NOTE
    ○Be sure the battery is fully charged.
• Turn the ignition switch off.
• (see Intake the
  Disconnect       intake air temperature sensor connector
               Air Temperature Sensor Removal/Installa-
    tion(17-28)).
•   Connect the measuring adapter [A] to the intake air tem-
    perature sensor connectors as shown.
      Main Harness [B]
      Intake Air Temperature Sensor [C]
    Special Tool - Measuring Adapter: 57001-1700
• Connect
  leads.
          a digital meter [D] to the measuring adapter

    Intake Air Temperature Sensor Output Voltage
       Connections to Adapter:
        Digital Meter (+) → R (sensor GY/R) lead
        Digital Meter (–) → BK (sensor G) lead

• Measure   the output voltage with the engine stopped and
  the connector joined.
• Turn the ignition switch on.
    Output Voltage
     Standard: About DC 2.25  2.50 V @20°C (68°F)

                              NOTE
    ○The output voltage changes according to the intake air
     temperature.

• Turn  the ignition switch off.
  If the reading is within the standard, check the ECU for
    its ground and power supply (see ECU Power Supply In-
    spection(3-39)).
    If the ground and power supply are good, replace the
    ECU.
 If the reading is out of the standard, remove the ECU and
 check the wiring for continuity between harness connec-
 tors.
○Disconnect the ECU and sensor connectors.
    Wiring Continuity Inspection
     ECU Connector [A] ←→
        Intake Air Temperature Sensor Connector [B]
          ECU Terminal 55 [C] ←→ Sensor Terminal [D]
          ECU Terminal 16 [E] ←→ Sensor Terminal [F]
    If the wiring is good, check the intake air temperature sen-
    sor resistance (see Intake Air Temperature Sensor Resis-
    tance Inspection(17-30)).