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:
Click here
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 | ![]() |
REPLACE STEERING PAD SWITCH ASSEMBLY |
|
2. |
INSPECT SPIRAL CABLE SUB-ASSEMBLY |
(a) Remove the spiral cable sub-assembly.
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(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 |
Toyota CH-R Service Manual > Theft Deterrent System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
Before replacing the main body ECU (multiplex network body ECU), refer
to REGISTRATION*1.
Click here
*1: w/ Smart Key System
When replacing the combination meter assembly, always replace it with
a new one. If a combination meter assembl ...
Toyota CH-R Service Manual > Smart Key System(for Entry Function): Driver Side Door Entry Unlock Function does not Operate
DESCRIPTION
If the entry unlock function does not operate for the driver door only, but the
entry lock function operates, the request code is being transmitted properly from
the driver door. In this case, there may be a problem related to the unlock sensor
(connection between the certificatio ...