Toyota Tacoma 2015-2018 Service Manual: Initialization Switch (for Test Mode DTC) (C2198/98)
DESCRIPTION
During test mode, when the tire pressure warning reset switch is on, the tire pressure warning light comes on and when the tire pressure warning reset switch is off, the tire pressure warning light blinks at 0.125 second intervals.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C2198/98 |
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.
- It is necessary to perform initialization (See page
.gif)
) after registration (See page
) of the transmitter IDs into the tire
pressure warning ECU and receiver if the ECU has been replaced.
PROCEDURE
|
1. |
INSPECT TIRE PRESSURE WARNING RESET SWITCH |
|
(a) Disconnect the T15 tire pressure warning reset switch connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
1 (INT) - 2 (E) |
On |
Below 1 Ω |
|
Off |
10 kΩ or higher |
|
*a |
Component without harness connected (Tire Pressure Warning Reset Switch) |
|
*b |
On |
|
*c |
Off |
| NG | .gif) |
REPLACE TIRE PRESSURE WARNING RESET SWITCH |
|
.gif)
|
2. |
CHECK HARNESS AND CONNECTOR (TIRE PRESSURE WARNING RESET SWITCH - TIRE PRESSURE WARNING ECU AND RECEIVER) |
(a) Disconnect the T15 tire pressure warning reset switch connector and T14 tire pressure warning ECU and receiver connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
T14-3 (CLSW) - T15-1 (INT) |
Always |
Below 1 Ω |
|
T14-3 (CLSW) - Body ground |
Always |
10 kΩ or higher |
|
T15-2 (E) - Body ground |
Always |
Below 1 Ω |
| OK | |
REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Tire Pressure Monitor ECU Communication Stop (C2179/79)
DESCRIPTION
The main body ECU (multiplex network body ECU) sends signals to the tire pressure
warning ECU and receiver via a direct line.
DTC No.
Detection Item
DT ...
Tire Pressure Monitor Receiver Communication Stop (B1247)
DESCRIPTION
The main body ECU (multiplex network body ECU) and tire pressure warning ECU
and receiver are connected using 2 direct lines that they use to communicate with
each other.
...
Other materials:
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL COMPRESSOR PICK UP SENSOR
(a) Install the compressor pick up sensor with the 3 screws.
(b) Engage the clamp.
2. INSTALL MAGNET CLUTCH ASSEMBLY
(a) Secure the cooler compressor assembly in a vise between ...
Customize Parameters
CUSTOMIZE PARAMETERS
NOTICE:
When the customer requests a change in a function, first make sure that
the function can be customized.
Make a note of the current settings before customizing.
HINT:
The following PCS functions and the pre-collision system sensitivity setting
...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. READ 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 sig ...