NHTSA ID Number: 10254366
Manufacturer Communication Number: TSB-24-42-001
TSB/Document Date: 2024-05-07
Summary
Service Manual Revision - This Technical Service Bulletin provides changes and corrections for the service procedures in several sections of the Service Manual.
B
CF100C9PAA00USA
Approx. 150 cm (59.06 in)
B.
A.
•
(default value)
8 Sensor Models
Approx. 60 cm (23.62 in)
(default value)
Obstacle detection range image
B
B
A
A
A
A
B
B
CF100C9QAA00USA
Approx. 120 cm (47.24 in)
B.
A.
(default value)
4/4/2024
6 of 32
Approx. 60 cm (23.62 in)
(default value)
(5395/MSB23M42_54001)
Attached sheet 3 (3/4)
SONAR SYSTEM
Detection distance (default value)
Detection distance
Warning buzzer frequency
30 - 35 cm
10.0 Hz
(11.81 - 13.78 in)
35 - 50 cm
9.0 Hz
(13.78 - 19.69 in)
50 - 70 cm
6.66 Hz
(19.69 - 27.56 in)
70 - 90 cm
5.0 Hz
(27.56 - 35.43 in)
90 - 120 cm
4.0 Hz
(35.43 - 47.24 in)
120 - 150 cm
3.0 Hz
(47.24 - 59.06 in)
150 - 180 cm
2.5 Hz
(59.06 - 70.87 in)
180 cm or more
2.0 Hz
(70.87 in or more)
•
Detection distance of an obstacle changes, as shown in the table below, when the detection sensitivity is changed on the settings screen of the information display of the combination meter.
Detection distance
Item (detection range)
Corner sensor
Front center sensor
Rear center sensor
FAR
Approx. 66 cm (25.98
in)
Approx. 110 cm (43.31
in)
Approx. 165 cm (64.96
in)
NORMAL (default value)
Approx. 60 cm (23.62
in)
Approx. 100 cm (39.37
in)
Approx. 150 cm (59.06
in)
NEAR
Approx. 54 cm (21.26
in)
Approx. 90 cm (35.43 in)
Approx. 135 cm (53.51
in)
4/4/2024
7 of 32
(5395/MSB23M42_54001)
Attached sheet 3 (4/4)
SONAR SYSTEM
Sonar Indicator
Sonar Indicator
•
The sonar control unit displays a warning on sonar indicator in three stages (green, yellow, and red), according to a distance from an obstacle.
DF100C9SAE00USA
NOTE:
•
•
A distance from an obstacle is also displayed on the information display of the combination meter.
•
Sonar indicator is displayed also on Bird-Eye view and front-side view screen of around view monitor.
Warning displayed on the sonar indicator and a distance change according to a distance between an obstacle and sensor as shown in the following table.
Detection distance
Status of warning
Corner sensor
Red
Yellow
Green
Front center sensor
Rear center sensor
0 - 30 cm
0 - 30 cm
0 - 30 cm
(0 - 11.81 in)
(0 - 11.81 in)
(0 - 11.81 in)
31 - 50 cm
31 - 50 cm
31 - 60 cm
(12.2 - 19.69 in)
(12.2 - 19.69 in)
(12.2 - 23.62 in)
51 - 60 cm
51 - 80 cm
61 - 130 cm
(20.08 - 23.62 in)
(20.08 - 31.49 in)
(24.02 - 51.18 in)
MAC (Message Authentication Code)
MAC (Message Authentication Code) is a function that prevents unauthorized communication from other than the ECU with MAC function by secure authentication communication. Sonar control unit
can write a MAC key required for communication between the ECUs and perform MAC diagnosis.
Fail-Safe
Fail-Safe
Obstacle detection function is deactivated when a sensor system error is detected.
INFORMATION DISPLAY (COMBINATION METER)
Sonar Indicator
Sonar Indicator
Name
Sonar indicator
Design
Function
System Description
DF100C9TAE00USA
4/4/2024
8 of 32
(5395/MSB23M42_54001)
Attached sheet 4
SONAR SYSTEM
Terminal
Description
+
–
12
15
Signal name
Reference value
Condition
Input/Out
put
ACC power supply
Input
Standard
(Approx.)
[Ignition switch ACC]
9.0 - 16.0 V
13
Ground
Front sensor ground
—
—
—
0V
14
Ground
Rear sensor ground
—
—
—
0V
15
Ground
Ground
—
—
—
0V
21
14
Rear sonar sensor signal
LH inner
Input
[Ignition switch ON]
•
Shift position is in R position.
Waveform according
to sensor signal is
input
(v)
15
10
5
0
0.1 s
CF100C9XAA00USA
22
14
Rear sonar sensor signal
LH outer
Input
[Ignition switch ON]
•
Shift position is in R position.
Waveform according
to sensor signal is
input
(v)
15
10
5
0
0.1 s
CF100C9XAA00USA
23
14
Rear sensor power supply
Output
—
—
8.0 V
—
—
—
—
—
—
26
—
CAN–L
Input/Outp
ut
28
—
CAN–H
Input/Outp
ut
Fail-Safe
Fail-Safe
Refer to Fail-Safe.
DTC Inspection Priority Chart
DTC Inspection Priority Chart
If multiple DTCs are detected simultaneously, check them one by one depending on the following DTC inspection priority chart.
Priority
1
Detected items (DTC)
B273A
55
ECU Configuration
B2724
04/16/17/44/45/46/47/48/49/
55
SONAR CONTROL UNIT
2
U1327
54
MAC Key update
3
U1327
52
MAC Key update
U2140
57
CAN comm err (ECM)
U2141
57
CAN comm err (TCM)
4
U2148
57
CAN comm err (brake control unit)
U214E
57
CAN comm err (combination meter)
U214F
57
CAN comm err (BCM)
U2152
57
CAN comm err (ADAS control unit)
U2156
57
CAN comm err (steering angel sensor)
U2159
57
CAN comm err (steering control unit)
U215B
57
CAN comm err (IPDM E/R)
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TSB/Document ID: TSB-24-42-001
Replacement Service Bulletin Number:
MFR Communication Date: 2024-04-09
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: FORWARD COLLISION AVOIDANCE
MFR Component System:
MFR Component Subsystem:
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