DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) Sliding roof system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
2. CHECK DLC3
(a) Check the DLC3 (See page
).
3. INSPECT BATTERY VOLTAGE
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery.
Problem Symptoms Table
Terminals Of EcuRemoval
REMOVAL
PROCEDURE
1. REMOVE REAR SEAT HEADREST ASSEMBLY
2. REMOVE REAR SEAT INNER TRACK BRACKET COVER
3. REMOVE REAR SEAT OUTER TRACK BRACKET COVER
4. DISCONNECT REAR SEAT NO. 2 RECLINING CONTROL CABLE SUB-ASSEMBLY
5. REMOVE REAR SEAT ASSEMBL ...
Open in Driver Side Electrical Antenna Circuit (B27A1)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
sends it to the electrical key oscillator built into the front door outside handle
assembly (for driver side) at 0.25-second intervals. To detect a key near the driv ...
System Diagram
SYSTEM DIAGRAM
Input and Output Signal of Each ECU
Transmitting ECU (transmitter)
Receiving ECU
Signal
Communication Method
Power management Control ECU
Steering Lock ECU (Steering Lock ...