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 > Steering Pad: Installation
INSTALLATION
PROCEDURE
1. INSTALL HORN BUTTON ASSEMBLY
(a) Check that the ignition switch off.
(b) Check that the cable is disconnected from the negative (-) battery terminal.
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-)
battery terminal to disable th ...
Toyota CH-R Service Manual > Tire Pressure Warning Valve: Removal
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration)
that must be performed after parts are removed and installed, or replaced during
tire pressure warning valve and transmitter removal/installation are shown below.
Repl ...