Toyota CH-R Service Manual: Initialization Switch (for Test Mode DTC) (C2198/98)
DESCRIPTION
The switch circuit inside the combination meter assembly turns on and off according to the steering pad switch assembly operation.
During test mode, when the steering pad switch assembly is operated, "TPMS" is selected on the multi-information display and the "ENTER" switch (steering pad switch assembly) is pressed, the tire pressure warning light illuminates, and when the "ENTER" switch (steering pad switch assembly) is not pressed, the tire pressure warning light blinks at 0.125 second intervals.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
|---|---|---|---|---|
|
C2198/98 |
Initialization Switch (for Test Mode DTC) |
Test mode procedure is performed. |
|
- |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- When replacing the tire pressure warning ECU and receiver, read the
transmitter IDs stored in the old ECU using the Techstream and write them
down before removal.
Click here
.gif)
- It is necessary to perform initialization
after registration
of the transmitter IDs into the tire pressure warning ECU and receiver if
the ECU and/or one of the valve and transmitters has been replaced.
PROCEDURE
|
1. |
INSPECT STEERING PAD SWITCH ASSEMBLY |
(a) Remove the steering pad switch assembly.
Click here
(b) Inspect the steering pad switch assembly.
Click here
| NG | .gif) |
REPLACE STEERING PAD SWITCH ASSEMBLY |
|
.gif)
|
2. |
INSPECT SPIRAL CABLE SUB-ASSEMBLY |
(a) Remove the spiral cable sub-assembly.
Click here
(b) Inspect the spiral cable sub-assembly.
Click here
| NG | |
REPLACE SPIRAL CABLE SUB-ASSEMBLY
|
|
|
3. |
CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - COMBINATION METER ASSEMBLY) |
(a) Disconnect the F29 spiral cable sub-assembly connector.
(b) Disconnect the F4 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
F29-10 (+DP) - F4-28 (MSM+) |
Always |
Below 1 Ω |
|
F29-10 (+DP) or F4-28 (MSM+) - Body ground |
Always |
10 kΩ or higher |
|
F29-11 (+DP2) - F4-33 (MSSL) |
Always |
Below 1 Ω |
|
F29-11 (+DP2) or F4-33 (MSSL) - Body ground |
Always |
10 kΩ or higher |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
4. |
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - TIRE PRESSURE WARNING ECU AND RECEIVER) |
(a) Disconnect the M23 tire pressure warning ECU and receiver connector.
(b) Disconnect the F4 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
M23-3 (CLSW) - F4-4 (INT) |
Always |
Below 1 Ω |
|
M23-3 (CLSW) or F4-4 (INT) - Body ground |
Always |
10 kΩ or higher |
|
F4-21 (ET) - Body ground |
Always |
Below 1 Ω |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
5. |
CHECK TERMINAL VOLTAGE (INT) |
(a) Disconnect the F4 combination meter assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
F4-4 (INT) - Body ground |
Ignition switch to ON |
8 to 15 V |
| OK | |
GO TO METER / GAUGE SYSTEM |
| NG | |
REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER |
Transmitter ID not Received in Main Mode (C2126/26)
DESCRIPTION
After all IDs are registered, DTC C2126/26 is stored in the tire pressure warning
ECU and receiver and the tire pressure warning light blinks for 1 minute and then
illuminates.
When ...
Initialization not Completed (C2177/77)
DESCRIPTION
Initialization is necessary if one of the following occurs:
The tire pressure warning ECU and receiver is replaced.
A tire pressure warning valve and transmitter is replaced. ...
Other materials:
Toyota CH-R Service Manual > How To Troubleshoot Ecu Controlled Systems: How To Proceed With Troubleshooting
HOW TO PROCEED WITH TROUBLESHOOTING
OPERATION FLOW
HINT:
Perform troubleshooting in accordance with the procedure below. The following
is an outline of basic troubleshooting procedure. Confirm the troubleshooting procedure
for the circuit you are working on before beginning troubleshooting.
...
Toyota CH-R Service Manual > Navigation System: Data List / Active Test
DATA LIST / ACTIVE TEST
DATA LIST
NOTICE:
In the table below, the values listed under "Normal Condition" are reference
values. Do not depend solely on these reference values when deciding whether a part
is faulty or not.
HINT:
Using the Techstream to read the Data List allows the ...
Toyota C-HR (AX20) 2023-2026 Owner's Manual
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
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