DESCRIPTION
The signals are transmitted to the tire pressure warning antenna and receiver on the body as radio waves and then sent to the tire pressure warning ECU.
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
C2176/76 |
A malfunction in the tire pressure warning ECU internal circuit. |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (ECU - RECEIVER) |
(a) Disconnect the F7 ECU connector.
(b) Disconnect the V3 receiver connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F7-12 (RDA) - V3-1 (RDA) |
Always |
Below 1 Ω |
F7-11 (GND2) - V3-4 (GND) |
Always |
Below 1 Ω |
F7-6 (RF5V) - V3-5 (+5V) |
Always |
Below 1 Ω |
F7-12 (RDA) or V3-1 (RDA) - Body ground |
Always |
10 kΩ or higher |
F7-11 (GND2) or V3-4 (GND) - Body ground |
Always |
10 kΩ or higher |
F7-6 (RF5V) or V3-5 (+5V) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK TIRE PRESSURE WARNING ECU |
(a) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
OK | ![]() |
REPLACE TIRE PRESSURE WARNING ANTENNA AND RECEIVER |
NG | ![]() |
REPLACE TIRE PRESSURE WARNING ECU |
Hitch
Trailer hitch assemblies have different weight capacities. Toyota recommends
the use of Toyota hitch/bracket for your vehicle. For details, contact your
Toyota dealer.
• If you wish to install a trailer hitch, contact your Toyota dealer.
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