Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the data link connector for damage, bend and loose connection (connector side and harness side).
2.CHECK HARNESS FOR OPEN CIRCUIT
Check the resistance between the data link connector terminals.

BCM branch line circuit
M&A branch line circuitKey reminder function symptoms
Symptom Table
KEY REMINDER FUNCTION MALFUNCTION
NOTE:
Before performing the diagnosis in the following table, check
"Work flow". Refer to DLK-9, "Work Flow".
If the following symptoms are detected, check systems shown in
the "Diagnosis/service procedure" column
in this or ...
P1723 speed sensor
Description
The secondary speed sensor detects the revolution of
parking gear and generates a pulse signal. The pulse
signal is sent to the TCM, which converts it into vehicle speed.
The primary speed sensor detects the primary pulley revolution speed and sends a
signal to the TCM.
DTC Lo ...
Low tire pressure warning lamp blinks
Low Tire Pressure Warning Lamp Flashes When Ignition Switch Is Turned
On
NOTE: If low tire pressure warning lamp flashes as
shown, the system is normal.
Flash Mode A
This mode shows transmitter status is OFF-mode.Carry out
transmitter wake up operation.
DIAGNOSTIC PROCEDURE ...