SYSTEM DIAGRAM
Transmitting ECU (Transmitter) |
Receiving ECU |
Signal |
Communication Method |
---|---|---|---|
Main body ECU (Driver side junction block assembly) |
Certification ECU (Smart key ECU assembly) |
Courtesy light switch signal |
CAN |
Door lock output signal |
|||
Back door output request signal |
|||
Door lock position switch signal |
|||
Driver door key operated switch signal |
|||
Certification ECU (Smart key ECU assembly) |
Main body ECU (Driver side junction block assembly) |
Illumination light request signal |
CAN |
Door lock/unlock request signal |
|||
Certification ECU (Smart key ECU assembly) |
Combination meter assembly |
Meter buzzer single tone request signal |
CAN |
Meter buzzer intermittent tone request signal |
|||
Meter buzzer continuous tone request signal |
|||
Key loss warning signal |
|||
Low key battery warning signal |
|||
Steering lock malfunction warning signal |
|||
Steering lock not-released warning signal |
|||
Shift position warning signal |
|||
Emergency operation support display request signal |
|||
Engine start method display request signal |
|||
Combination meter assembly |
|
Vehicle speed signal |
CAN |
Steering lock ECU (Steering lock actuator assembly) |
Certification ECU (Smart key ECU assembly) |
Encryption code signal |
LIN |
Encryption code finish signal |
|||
Encryption calculate fixed number memory requirement signal |
|||
During entry control signal |
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful bec ...
Sound Quality is Bad Only when CD is Played (Volume is Too Low)
PROCEDURE
1.
REPLACE CD AND RECHECK
(a) Replace the CD with a new or known good one and check that the malfunction
disappears.
OK:
Malfunction disappears.
OK
END
NG
REPLACE ...
Motor Circuit Malfunction (C1522-C1555)
DESCRIPTION
The power steering ECU supplies current to the power steering motor through the
motor circuit.
DTC No.
DTC Detection Condition
Trouble Area
C1522
Motor current sensor malfunction
...