DESCRIPTION
The hood courtesy switch is built into the hood lock assembly. This switch turns on when the hood is closed and turns off when the hood is opened.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the main body ECU (multiplex network body ECU), refer to REGISTRATION.*1
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PROCEDURE
1. |
READ VALUE USING TECHSTREAM (HOOD COURTESY SW) |
(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 / Main Body / Data List.
(e) Read the Data List according to the display on the Techstream.
Body Electrical > Main Body > Data List
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|---|
Hood Courtesy SW |
Hood courtesy switch |
ON or OFF |
ON: Hood open OFF: Hood closed |
- |
Tester Display |
---|
Hood Courtesy SW |
OK:
The Techstream display changes correctly in response to the hood courtesy switch (hood lock assembly) status.
OK |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
|
2. |
INSPECT HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) |
(a) Remove the hood courtesy switch (hood lock assembly).
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(b) Inspect the hood courtesy switch (hood lock assembly).
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NG |
REPLACE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) |
|
3. |
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) - BODY GROUND) |
(a) Disconnect the F15 main body ECU (multiplex network body ECU) connector.
(b) Disconnect the A8 hood courtesy switch (hood lock assembly) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F15-11 (HCTY) - A8-1 (+) |
Always |
Below 1 Ω |
F15-11 (HCTY) or A8-1 (+) - Body ground |
Always |
10 kΩ or higher |
A8-2 (E) - Body ground |
Always |
Below 1 Ω |
OK |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Toyota CH-R Service Manual > Vehicle Stability Control System: Brake Warning Light Remains ON
DESCRIPTION
The skid control ECU (brake actuator assembly) is connected to the combination
meter assembly via CAN communication.
If any of the following is detected, the brake system warning light (red indicator)
remains on:
The skid control ECU (brake actuator assembly) connector is d ...
Toyota CH-R Service Manual > Pre-collision System: Precaution
PRECAUTION
IGNITION SWITCH EXPRESSION
(a) The type of ignition switch used on this model differs depending on the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine Swit ...