DESCRIPTION
The back sonar or clearance sonar switch assembly is installed at the base of the driver side of the instrument panel.
When the back sonar or clearance sonar switch assembly is turned on, an on signal is sent to the clearance warning ECU assembly. The intuitive parking assist system operates according to this signal.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuse for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. |
READ VALUE USING TECHSTREAM |
(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 / Intuitive P/A / Data List.
(e) According to the display on the Techstream, read the Data List.
Intuitive P/A
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
Main Switch |
Back sonar or clearance sonar switch assembly/OFF or ON |
OFF: Back sonar or clearance sonar switch assembly off ON: Back sonar or clearance sonar switch assembly on |
- |
Intuitive P/A ECU Type |
Type of intuitive P/A ECU/Normal |
Normal: Normal clearance sonar type |
- |
Result |
Proceed to |
---|---|
Both of the following conditions are met:
|
A |
"Normal" is not displayed. |
B |
Both of the following conditions are met:
|
C |
A | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
B | ![]() |
REPLACE CLEARANCE WARNING ECU ASSEMBLY |
|
2. |
INSPECT BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY |
(a) Remove the back sonar or clearance sonar switch assembly (See page
).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPLACE BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY |
|
3. |
CHECK HARNESS AND CONNECTOR (BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY POWER SOURCE) |
(a) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
B14-6 (IG) - Body ground |
Ignition switch ON |
11 to 14 V |
B14-6 (IG) - Body ground |
Ignition switch off |
Below 1 V |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
CHECK HARNESS AND CONNECTOR (BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY - CLEARANCE WARNING ECU ASSEMBLY) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
C30-9 (CLSW) - B14-3 (ECU) |
Always |
Below 1 Ω |
C30-9 (CLSW) - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
REPLACE CLEARANCE WARNING ECU ASSEMBLY |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
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 because intermittent conditions or signals ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" column of the
table. Check each sy ...
Antenna Coil Open / Short (B2784)
DESCRIPTION
When an open or short circuit is detected in the antenna coil built into the
transponder key coil, the transponder key ECU assembly stores this DTC.
DTC No.
DTC Detection Condition
Trouble Area
DTC Output Confirmation Operation
...