DTC P2102: Throttle Actuator Control Motor Circuit Low; DTC P2103: Throttle Actuator Control Motor Circuit High: Procedure

1. Disconnect the throttle body connector.
   Fig 1: Identifying Throttle Body Connector

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2. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   B27-2 (M+) - B27-1 (M-)	20°C (68°F)	0.3 to 100 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Throttle Position Sensor)

3. Reconnect the throttle body connector.

NG → See step   6 

OK: Go to next step 

1. Disconnect the throttle body connector.
2. Disconnect the ECM connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Check for open 

   Check for short 

   Tester Connection	Condition	Specified Condition
   B27-2 (M+) - B48-20 (M+)	Always	Below 1 Ω
   B27-1 (M-) - B49-29 (M-)	Always	Below 1 Ω

   Tester Connection	Condition	Specified Condition
   B27-2 (M+) or B48-20 (M+) - Body ground	Always	10 kΩ or higher
   B27-1 (M-) or B49-29 (M-) - Body ground	Always	10 kΩ or higher

4. Reconnect the throttle body connector.
5. Reconnect the ECM connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (THROTTLE CONTROL MOTOR - ECM) 

OK: Go to next step 

1. Check for foreign objects between the throttle valve and the housing.

   OK

   Normal

NG → REMOVE FOREIGN OBJECT AND CLEAN THROTTLE BODY 

OK: Go to next step 

1. Check if the throttle valve opens and closes smoothly.

   OK

   The throttle valve opens and closes smoothly.

NG → See step   7 

OK → See step   5