Last Modified: 01-30-2024 |
6.11:8.1.0 |
Doc ID: RM100000001G2C7 |
Model Year Start: 2019 |
Model: RAV4 |
Prod Date Range: [11/2018 - 08/2020] |
Title: LIGHTING (EXT): LIGHTING SYSTEM (w/ Headlight ECU without AFS): U023587; Lost Communication with Cruise Control Front Distance Range Sensor Missing Message; 2019 - 2020 MY RAV4 RAV4 HV [11/2018 - 08/2020] |
DTC
|
U023587
|
Lost Communication with Cruise Control Front Distance Range Sensor Missing Message
|
DESCRIPTION
DTC No.
|
Detection Item
|
DTC Detection Condition
|
Trouble Area
|
DTC Output from
|
Note
|
U023587
|
Lost Communication with Cruise Control Front Distance Range Sensor Missing Message
|
Malfunction status:
-
A communication malfunction with the millimeter wave radar sensor assembly is detected
|
-
Local bus (Open or short)
-
Forward recognition camera
-
Millimeter wave radar sensor assembly
|
Front Recognition Camera (Front Lighting Control)
|
-
|
Pattern
|
DTC output part name
(Display on Techstream)
|
Suspected Area (Malfunction Status)
|
Forward Recognition Camera
(Front Recognition Camera(Front Light Control))
|
U023587
|
Pattern 1
|
○
|
Local bus (Open or short)
|
Millimeter wave radar sensor assembly (Internal malfunction)
|
Forward recognition camera (Internal malfunction)
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
PROCEDURE
1.
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CHECK CAN BUS WIRE (FORWARD RECOGNITION CAMERA MAIN WIRE)
|
(a) Disconnect the cable from the negative (-) auxiliary battery terminal.
(b) Disconnect the P8 forward recognition camera connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
P8-6 (CANH) - P8-12 (CANL)
|
Cable disconnected from negative (-) auxiliary battery terminal
|
108 to 132 Ω
|
P8-6 (CANH) - G114-4 (CG)
|
Cable disconnected from negative (-) auxiliary battery terminal
|
200 Ω or higher
|
P8-12 (CANL) - G114-4 (CG)
|
Cable disconnected from negative (-) auxiliary battery terminal
|
200 Ω or higher
|
P8-6 (CANH) - G114-16 (BAT)
|
Cable disconnected from negative (-) auxiliary battery terminal
|
6 kΩ or higher
|
P8-12 (CANL) - G114-16 (BAT)
|
Cable disconnected from negative (-) auxiliary battery terminal
|
6 kΩ or higher
|
OK
|
|
|
2.
|
CHECK MILLIMETER WAVE RADAR SENSOR ASSEMBLY
|
(a) Temporarily replace the millimeter wave radar sensor assembly with a new one.
Click here
NEXT
|
|
|
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Front Recognition Camera (Front Lighting Control) / Clear DTCs.
(e) Clear the DTCs.
Body Electrical > Front Recognition Camera (Front Lighting Control) > Clear DTCs
NEXT
|
|
|
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Wait 5 seconds or more.
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / Front Recognition Camera (Front Lighting Control) / Trouble Codes.
(f) Check for DTCs.
Body Electrical > Front Recognition Camera (Front Lighting Control) > Trouble Codes
OK:
DTC U023587 is not output.
OK |
|
END (MILLIMETER WAVE RADAR SENSOR ASSEMBLY IS DEFECTIVE)
|
5.
|
CHECK CAN BUS WIRE (MILLIMETER WAVE RADAR SENSOR ASSEMBLY MAIN WIRE)
|
(a) Disconnect the B9 millimeter wave radar sensor assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
B9-5 (CA1P) - B9-6 (CA1N)
|
Cable disconnected from negative (-) auxiliary battery terminal
|
108 to 132 Ω
|
B9-5 (CA1P) - G114-4 (CG)
|
Cable disconnected from negative (-) auxiliary battery terminal
|
200 Ω or higher
|
B9-6 (CA1N) - G114-4 (CG)
|
Cable disconnected from negative (-) auxiliary battery terminal
|
200 Ω or higher
|
B9-5 (CA1P) - G114-16 (BAT)
|
Cable disconnected from negative (-) auxiliary battery terminal
|
6 kΩ or higher
|
B9-6 (CA1N) - G114-16 (BAT)
|
Cable disconnected from negative (-) auxiliary battery terminal
|
6 kΩ or higher
|
NG |
|
REPAIR OR REPLACE CAN BUS MAIN WIRE OR CONNECTOR
|
OK
|
|
|
6.
|
CHECK MILLIMETER WAVE RADAR SENSOR ASSEMBLY
|
(a) Temporarily replace the millimeter wave radar sensor assembly with a new one.
Click here
NEXT
|
|
|
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Front Recognition Camera (Front Lighting Control) / Clear DTCs.
(e) Clear the DTCs.
Body Electrical > Front Recognition Camera (Front Lighting Control) > Clear DTCs
NEXT
|
|
|
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Wait 5 seconds or more.
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / Front Recognition Camera (Front Lighting Control) / Trouble Codes.
(f) Check for DTCs.
Body Electrical > Front Recognition Camera (Front Lighting Control) > Trouble Codes
OK:
DTC U023587 is not output.
OK |
|
END (MILLIMETER WAVE RADAR SENSOR ASSEMBLY IS DEFECTIVE)
|
|