DTC U0214 [ADVANCED KEYLESS ENTRY AND START SYSTEM]

id09021g802900

DTC U0214 | Keyless receiver
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DETECTION CONDITION | When the keyless receiver power supply voltage is less than 7.5 V
POSSIBLE CAUSE | • Keyless receiver malfunction • Open or short circuit in wiring harness between keyless control module and keyless receiver • Keyless control module malfunction

Diagnostic procedure

STEP | INSPECTION | ACTION
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1 | INSPECT WIRING HARNESS BETWEEN KEYLESS RECEIVER AND GROUND • Disconnect keyless receiver connector. • Is there continuity between keyless receiver terminal E and ground? | Yes | Go to next step.
No | Repair the wiring harness between the keyless receiver and ground. Go to next step.
2 | INSPECT COMMUNICATION CIRCUIT FOR CONTINUITY • Disconnect keyless control module connector and keyless receiver connector. • Inspect the continuity between the following connector terminals. ― Keyless control module: 3A—keyless receiver: A ― Keyless control module: 3C—keyless receiver: C • Is voltage more than 7.5 V? | Yes | Go to next step.
No | Repair the wiring harness between the keyless receiver and ground. Go to next step.
3 | INSPECT KEYLESS RECEIVER POWER SUPPLY CIRCUIT • Turn the ignition switch to the ON position. • Measure voltage at terminal 3A of keyless control module connector. • Is voltage more than 7.5 V? | Yes | Replace keyless receiver. (See KEYLESS RECEIVER REMOVAL/INSTALLATION.)
No | Replace the keyless control module and perform the resetting procedure for the advanced keyless system when replacing the keyless control module. (See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS ENTRY AND START SYSTEM].)