- Tire pressure warning select switch
- Wire harness or connector
- Tire pressure warning ECU and receiver
| Last Modified: 7-3-2017 | 6.8:8.0.40 | Doc ID: RM000000XNC00LX |
| Model Year Start: 2007 | Model: LX470 | Prod Date Range: [08/2006 - ] |
| Title: TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: C2192/92; Select Switch Error (Test Mode DTC); 2007 MY LX470 [08/2006 - ] | ||
|
DTC |
C2192/92 |
Select Switch Error (Test Mode DTC) |
DESCRIPTION
The tire pressure warning select switch has 2 positions: "MAIN" and "2nd". 2 sets of transmitter IDs (2 sets of tires) can be registered to the tire pressure warning ECU.
|
DTC Code |
Detection Condition |
Trouble Area |
|---|---|---|
|
C2192/92 |
In test mode, switch position is not detected in the order: "MAIN", "2nd", "MAIN" |
|
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
- When replacing the tire pressure warning ECU and receiver, read the IDs stored in the old ECU using the intelligent tester and write them down before removal.
-
It is necessary to perform initialization
![2007 MY LX470 [08/2006 - ]; TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: INITIALIZATION](../../../../stylegraphics/info.gif "2007 MY LX470 [08/2006 - ]; TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: INITIALIZATION")
after registration
of the transmitter IDs into the tire pressure warning ECU and receiver after the ECU and/or valve and transmitter has been replaced.
PROCEDURE
|
1. |
READ VALUE USING DATA LIST (SELECT SWITCH) |
(a) Turn the ignition switch OFF.
(b) Connect the intelligent tester to the DLC3.
(c) Turn the ignition switch ON and the tester on.
(d) Select the item below in the DATA LIST, and read its value displayed on the intelligent tester.
(e) Check that the value displayed on the intelligent tester changes when pressing the tire pressure warning select switch.
Tire pressure warning ECU and receiver
|
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|
|
SELECT SW |
Tire pressure warning select switch status/ MAIN or 2nd |
MAIN: Switch not pressed 2nd: Switch pressed |
- |
OK:
Tire pressure warning select switch value changes.
| OK |
|
|
|
2. |
INSPECT TIRE PRESSURE WARNING SELECT SWITCH |
|
(a) Remove the tire pressure warning select switch. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
2 - 1 |
MAIN |
10 kΩ or higher |
|
2nd |
Below 1 Ω |
| NG |
|
|
|
3. |
CHECK HARNESS AND CONNECTOR (ECU - SELECT SWITCH AND BODY GROUND) |
|
(a) Disconnect the T35 ECU connector. (b) Disconnect the T38 switch connector. (c) Measure the resistance according to the value(s) in the table below. Standard resistance:
|
|
| NG |
|
| OK |
|
|
|