Toyota 4Runner: Transmitter ID not Registered (C2171/71)
DESCRIPTION
The ID of each tire pressure warning valve and transmitter is registered to the tire pressure warning ECU.
When the ECU detects that a transmitter ID code is not registered in the ECU, this DTC is stored.
|
DTC Code |
Detection Condition |
Trouble Area |
|---|---|---|
|
C2171/71 |
A transmitter ID code is not registered (when an ID code is unregistered for 3 minutes or more). |
Tire pressure warning ECU |
CAUTION / NOTICE / HINT
NOTICE:
- When replacing the tire pressure warning ECU, read the IDs stored in the old ECU using the Techstream and note them down before removal.
- It is necessary to perform registration of the transmitter IDs into
the tire pressure warning ECU after the ECU and/or the tire pressure warning
valve and transmitter has been replaced (See page
.gif)
).
PROCEDURE
|
1. |
CONFIRM REGISTRATION CONDITION (REGISTERED ID CODES) |
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Enter the following menus: Chassis / Tire Pressure Monitor / Data List.
(f) Check the values by referring to the table below.
Tire Pressure Monitor|
Tester Display |
Measurement Item/Display |
Normal Condition |
Diagnostic Note |
|---|---|---|---|
|
Registered ID1 Code |
Registered ID1 code/ min.: 0 max.: FFFFFFF*1 |
ID No. registered for transmitter ID1 displayed |
- |
|
Registered ID2 Code |
Registered ID2 code/ min.: 0 max.: FFFFFFF*1 |
ID No. registered for transmitter ID2 displayed |
- |
|
Registered ID3 Code |
Registered ID3 code/ min.: 0 max.: FFFFFFF*1 |
ID No. registered for transmitter ID3 displayed |
- |
|
Registered ID4 Code |
Registered ID4 code/ min.: 0 max.: FFFFFFF*1 |
ID No. registered for transmitter ID4 displayed |
- |
|
Registered ID5 Code*2 |
Registered ID5 code/ min.: 0 max.: FFFFFFF*1 |
ID No. registered for transmitter ID5 displayed |
- |
HINT:
- *1: Displayed only when the ID No. is not registered.
- *2: w/ Spare Tire Pressure Warning Valve and Transmitter
|
Result |
Proceed to |
|---|---|
|
1 or more transmitter ID codes are not registered |
A |
|
All transmitter ID codes are registered |
B |
| B | .gif) |
GO TO STEP 3 |
|
.gif)
|
2. |
PERFORM REGISTRATION (TRANSMITTER ID) |
(a) Register the transmitter IDs for all the wheels (See page
).
|
|
3. |
CONFIRM TIRE INFLATION PRESSURE (DATA LIST) |
| A | |
END |
| B | |
REPLACE TIRE PRESSURE WARNING ECU |
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1. CUSTOMIZING FUNCTION WITH TECHSTREAM (REFERENCE)
NOTICE:
When the customer requests a change in a function, first make sure that
the function can be customized.
Record the current settings before customizing.
( ...
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