Diagnosis Procedure
- CHECK DTC PRIORITY
If DTC P2101 is displayed with DTC P2100 or P2119, first perform the trouble diagnosis for DTC P2100 or P2119.
Is applicable DTC detected?
YES
Perform diagnosis of applicable.
- DTC P2100: Refer to DTC Description .
- DTC P2119: Refer to Component Inspection .
NO
GO TO 2.
- CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL
Check the voltage between ECM harness connector terminals as per the following conditions.
+
-
Condition
Voltage
(Approx.)
ECM
Connector
Terminal
Connector
Terminal
F52
128
E16
162
Ignition switch
OFF
0 V
ON
Battery voltage
Is the inspection result normal?
YES
GO TO 5.
NO
GO TO 3.
- CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Disconnect IPDM E/R harness connector.
- Check the continuity between ECM harness connector and IPDM E/R harness connector.
ECM
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
F52
128
E115
72
Existed
- Also check harness for short to ground and to power.
Is the inspection result normal?
YES
GO TO 4.
NO
Repair or replace malfunctioning part.
- CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT
- Check the continuity between ECM harness connector and IPDM E/R harness connector.
ECM
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
F52
97
E115
67
Existed
- Also check harness for short to ground and to power.
Is the inspection result normal?
YES
Perform the trouble diagnosis for power supply circuit.
NO
Repair or replace malfunctioning part.
- Check the continuity between ECM harness connector and IPDM E/R harness connector.
- CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect electric throttle control actuator harness connector.
- Disconnect ECM harness connector.
- Check the continuity between electric throttle control actuator harness connector and ECM harness connector.
Electric throttle control actuator
ECM
Continuity
Connector
Terminal
Connector
Terminal
F85
1
F52
129
Existed
130
Not existed
2
129
Not existed
130
Existed
- Also check harness for short to ground and to power.
Is the inspection result normal?
YES
GO TO 6.
NO
Repair or replace malfunctioning part.
- CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
- Remove the intake air duct. Refer to Removal and Installation .
- Check if foreign matter is caught between the throttle valve and the housing.
Is the inspection result normal?
YES
GO TO 7.
NO
Remove the foreign matter and clean the electric throttle control actuator inside, then perform throttle valve closed position learning. Refer to Description .
- CHECK THROTTLE CONTROL MOTOR
Check the throttle control motor. Refer to Component Inspection .
Is the inspection result normal?
YES
INSPECTION END
NO
Replace electric throttle control actuator. Refer to Component Inspection .