DTC U201F:13 [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]

id09021c388900

DESCRIPTION

Open circuit in keyless receiver circuit
DETECTION CONDITION
•  No communication with keyless receiver.
POSSIBLE CAUSE
•  Keyless receiver connector or terminals malfunction
•  Keyless control module connector or terminals malfunction
•  Open circuit in wiring harness between keyless receiver terminal C and keyless control module terminal 2H
•  Keyless receiver malfunction
•  Keyless control module malfunction

Diagnostic Procedure

Step

Inspection

Action
1
INSPECT KEYLESS RECEIVER CONNECTOR CONDITION
•  Switch the ignition to off.
•  Disconnect the negative battery cable.
•  Disconnect the keyless receiver connector.
•  Inspect the connector and terminals (corrosion, damage, pin disconnection).
•  Is there any malfunction?
Yes
Repair or replace the connector or terminals, then go to Step 5.
No
Go to the next step.
2
INSPECT KEYLESS CONTROL MODULE CONNECTOR CONDITION
•  Disconnect the keyless control module connector.
•  Inspect the connector and terminals (corrosion, damage, pin disconnection).
•  Is there any malfunction?
Yes
Repair or replace the connector or terminals, then go to Step 5.
No
Go to the next step.
3
INSPECT COMMUNICATION CIRCUIT FOR OPEN CIRCUIT
•  Keyless receiver and keyless control module connectors are disconnected.
•  Inspect for continuity between keyless receiver terminal C (wiring harness-side) and keyless control module terminal 2H (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 5.
4
INSPECT KEYLESS RECEIVER
•  Inspect the keyless receiver.
•  Is there any malfunction?
Yes
Replace the keyless receiver, then go to the next step.
(See KEYLESS RECEIVER REMOVAL/INSTALLATION.)
No
Go to the next step.
5
VERIFY TROUBLESHOOTING COMPLETED
•  Make sure to reconnect the disconnected connectors.
•  Reconnect the negative battery cable.
•  Clear the DTC from the keyless control module using the M-MDS.
•  Perform the advanced keyless entry and push button start system DTC inspection using the M-MDS.
•  Is the same DTC present?
Yes
Repeat the inspection from Step 1.
If the malfunction recurs, replace the keyless control module, then go to the next step.
(See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM].)
No
Go to the next step.
6
VERIFY THAT NO OTHER DTCs ARE PRESENT
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM].)
No
DTC troubleshooting completed.