Description
BCM turns ON the following relays to ignition power supply to each ECU when the ignition switch is turned ON.
BCM checks any ignition relay ON request for consistency with the actual ignition relay operation status.
DTC Logic
DTC DETECTION LOGIC
NOTE:

DTC CONFIRMATION PROCEDURE
1. PERFORM DTC CONFIRMATION PROCEDURE
Diagnosis Procedure
1.CHECK DATA MONITOR
2.CHECK CAN COMMUNICATION
Check CAN communication.
3.CHECK IGNITION RELAY-1 SIGNAL




B2553 ignition relay
B2614 ACC relay circuitAutomatic drive positioner (if so equipped)
The automatic drive positioner system has three
features:
Memory storage function (Key-link)
Memory storage function (Switch)
Entry/exit function
Key-link, when enabled, automatically retains the
driver's last seat, automatic steering wheel, and
outside mirror positions for that specif ...
Inspection and adjustment
Preliminary Check
NOTE: The Signal Tech II Tool (J-50190) can be used
to perform the following functions. Refer to the Signal Tech II User Guide
for additional information.
Activate and display TPMS transmitter IDs
Display tire pressure reported by the TPMS transmitter
  ...
Tweeter
Description
The audio unit sends audio signals to the tweeters using the front door
speaker circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit and speaker connectors for the following:
Proper connection
Damage
Disconnected or loose terminals
2.HARNESS CHECK
...