DESCRIPTION
These DTCs are stored when the CAN communication system is malfunctioning.
DTC No. |
DTC Detecting Condition |
Trouble Area |
|
---|---|---|---|
U023A |
Lost Communication With Image Processing Module"A" |
The main body ECU (multiplex network body ECU) does not receive data from the forward recognition camera for approximately 10 secondsor more. |
|
PROCEDURE
1. |
CHECK FOR DTC |
(a) Clear the DTCs.
Click here
(b) Check for DTCs.
Click here
OK:
DTC U023A is not output.
Result
Proceed to |
---|
OK |
NG |
A |
USE SIMULATION METHOD TO CHECK |
B |
GO TO CAN COMMUNICATION SYSTEM |
Open in Rear Floor Electrical Key Oscillator Circuit (B27A6)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
transmits the signal to the No. 2 indoor electrical key antenna assembly (rear floor).
For the No. 2 indoor electrical key antenna assembly (rear floor) to detect when
the electrical key transmitter sub- ...
Fail-safe Chart
FAIL-SAFE CHART
1. FAIL-SAFE FUNCTION
(a) When communication fails in any of the CAN bus lines (communication lines),
a fail-safe function(s) will operate. The fail-safe function that is specified for
each system operates to prevent those systems from malfunctioning.
(b) The following table s ...
PTC Heater Circuit
DESCRIPTION
PTC HTR heater relays are closed in accordance with signals from the air conditioning
amplifier assembly and power is supplied to the quick heater assembly installed
on the radiator heater unit.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits rela ...