DTC P2101 [13B-MSP]

id0102g1811100

DTC P2101

Throttle actuator circuit range/performance
DETECTION CONDITION
•  Detect any of the following condition:
―  The voltage is not supplied to throttle body even though the drive-by-wire power supply is ON.
―  The voltage is supplied to throttle body even though the drive-by-wire power supply is off.
Diagnostic support note
•  This is a continuous monitor. (CCM)
•  The MIL illuminates if the PCM detects the above malfunction conditions during the first drive cycle.
•  FREEZE FRAME DATA is available.
•  The DTC is stored in the PCM memory.
POSSIBLE CAUSE
•  Connector or terminal malfunction
•  Main relay and related circuit malfunction
•  Drive-by-wire relay and related circuit malfunction
•  TP sensor No.1 and related circuit malfunction
•  TP sensor No.2 and related circuit malfunction
•  PCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION
1
VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
•  Has FREEZE FRAME DATA been recorded?
Yes
Go to the next step.
No
Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2
VERIFY RELATED SERVICE INFORMATION AVAILBAILITY
•  Verify related Service information availability.
•  Is any related Service information available?
Yes
Perform repair or diagnosis according to thavailable Service information.
•  If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
VERIFY RELATED PENDING AND STORED DTCS
•  Turn the ignition switch off, then to the ON position (engine off).
•  Verify the pending and stored DTCs using the M-MDS.
•  Is any DTC present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [13B-MSP].)
No
Go to the next step.
4
IDENTIFY TRIGGER DTC FOR FREEZE FRAME DATA
•   Is the DTC P2101 on FREEZE FRAME DATA?
Yes
Go to the next step.
No
Go to the troubleshooting procedures for DTC on FREEZE FRAME DATA.
(See DTC TABLE [13B-MSP].)
5
INSPECT PCM CONNECTOR FOR POOR CONNECTION
•  Turn the ignition switch off.
•  Disconnect the PCM connector.
•  Inspect for poor connection (such as damaged, pulled out terminals, corrosion).
•  Is there any malfunction?
Yes
Repair or replace the terminal, then go to Step 21.
No
Go to the next step.
6
INSPECT MAIN RELAY OUTPUT VOLTAGE
•  Turn the ignition switch off.
•  Connect the PCM connector.
•  Turn the ignition switch to the ON position (engine off).
•  Measure the voltage between PCM terminal 1BE (wiring harness-side) and body ground.
•  Is the voltage B+?
Yes
Go to Step 12.
No
Go to the next step.
7
INSPECT MAIN RELAY CONNECTOR FOR POOR CONNECTION
•  Turn the ignition switch off.
•  Disconnect the main relay connector.
•  Inspect for poor connection (such as damaged, pulled out terminals, corrosion).
•  Is there any malfunction?
Yes
Repair or replace the terminal, then go to Step 21.
No
Go to the next step.
8
INSPECT POWER SUPPLY FOR CONTROL CIRCUIT OF MAIN RELAY
•  Turn the ignition switch to the ON position (engine off).
•  Measure the voltage between following circuit:
―  Main relay terminal A (wiring harness-side) and body ground
―  Main relay terminal D (wiring harness-side) and body ground
•   Is the voltage B+?
Yes
Go to the next step.
No
Repair or replace the wiring harness for a possible open circuit, then go to Step 21.
9
INSPECT MAIN RELAY
•  Inspect the main relay.
•   Is there any malfunction?
Yes
Replace the main relay, then go to Step 21.
(See RELAY LOCATION.)
No
Go to the next step.
10
INSPECT POWER CIRCUIT FOR OPEN CIRCUIT
•  Turn the ignition switch off.
•  Disconnect the main relay connector and the PCM connector.
•  Inspect for continuity between main relay terminal C (wiring harness-side) and PCM terminal 1BE (wiring harness-side).
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness for a possible open circuit, then go to Step 21.
11
INSPECT CONTROL CIRCUIT FOR OPEN CIRCUIT
•  Turn the ignition switch off.
•  Inspect for continuity between main relay terminal E (wiring harness-side) and PCM terminal 1Q (wiring harness-side).
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness for a possible open circuit, then go to Step 22.
12
INSPECT DRIVE-BY-WIRE RELAY OUTPUT VOLTAGE
•  Turn the ignition switch to the ON position (engine off).
•  Measure the voltage between PCM terminal 1BF (wiring harness-side) and body ground.
•  Is the voltage B+?
Yes
Go to Step 19.
No
Go to the next step.
13
INSPECT POOR CONNECTION OF DRIVE-BY-WIRE RELAY CONNECTOR
•  Turn the ignition switch off.
•  Disconnect the drive-by-wire relay connector.
•  Inspect for poor connection (such as damaged, pulled out terminals, corrosion).
•  Is there any malfunction?
Yes
Repair or replace the terminal, then go to Step 21.
No
Go to the next step.
14
INSPECT POWER SUPPLY OF DRIVE-BY-WIRE RELAY
•  Turn the ignition switch to the ON position (engine off).
•  Measure the voltage between drive-by-wire relay terminal D (wiring harness-side) and body ground.
•  Is the voltage B+?
Yes
Go to the next step.
No
Repair or replace the wiring harness for a possible open circuit, then go to Step 21.
15
INSPECT POWER SUPPLY FOR CONTROL CIRCUIT OF DRIVE-BY-WIRE RELAY
•  Turn the ignition switch to the ON position (engine off).
•  Measure the voltage between drive-by-wire relay terminal E (wiring harness-side) and body ground.
•  Is the voltage B+?
Yes
Go to the next step.
No
Repair or replace the wiring harness for a possible open circuit, then go to Step 21.
16
INSPECT DRIVE-BY-WIRE RELAY
•  Inspect the drive-by-wire relay.
•  Is there any malfunction?
Yes
Replace the drive-by-wire relay, then go to Step 21.
(See RELAY LOCATION.)
No
Go to the next step.
17
INSPECT POWER CIRCUIT FOR OPEN CIRCUIT
•  Turn the ignition switch off.
•  Inspect for continuity between drive-by-wire relay terminal C (wiring harness-side) and PCM terminal 1BF (wiring harness-side).
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness for a possible open circuit, then go to Step 21.
18
INSPECT CONTROL CIRCUIT FOR OPEN CIRCUIT
•  Turn the ignition switch off.
•  Inspect for continuity between drive-by-wire relay A (wiring harness-side) and PCM terminal 1BE (wiring harness-side).
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness for a possible open circuit, then go to Step 21.
19
INSPECT TP SENSOR NO.1 OUTPUT VOLTAGE
•  Turn the ignition switch off.
•  Connect the PCM connector.
•  Turn the ignition switch to the ON position (engine off).
•  Inspect the voltage between PCM terminal 2AK (wiring harness-side) and body ground.
•  Is the voltage 0.40—0.60 V?
Yes
Go to the next step.
No
Inspect TP sensor No.1 and the related circuits and terminals.
(See THROTTLE POSITION (TP) SENSOR INSPECTION [13B-MSP].)
Repair or replace if necessary, then go to Step 21.
20
INSPECT TP SENSOR NO.2 OUTPUT VOLTAGE
•  Turn the ignition switch to the ON position (engine off).
•  Inspect the voltage between PCM terminal 2AL (wiring harness-side) and body ground.
•   Is the voltage 4.40—4.60 V?
Yes
Go to the next step.
No
Inspect TP sensor No.2 and the related circuits and terminals.
(See THROTTLE POSITION (TP) SENSOR INSPECTION [13B-MSP].)
Repair or replace if necessary, then go to the next step.
21
VERIFY TROUBLESHOOTING OF DTC P2101 COMPLETED
•  Make sure to reconnect all disconnected connectors.
•  Turn the ignition switch to the ON position (engine off).
•  Clear the DTC from the PCM memory using the M-MDS.
•  Start the engine and idle it.
•  Turn the ignition switch off, then to the ON position (engine off).
•  Is the same DTC present?
Yes
Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION [13B-MSP].)
No
Go to the next step.
22
VERIFY AFTER REPAIR PROCEDURE
•  Perform the “AFTER REPAIR PROCEDURE”.
•  Is there any DTC present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [13B-MSP].)
No
Troubleshooting completed.