DESCRIPTION
If the tire pressure warning ECU detects a disconnected connector or an open circuit between the tire pressure warning ECU and combination meter, the tire pressure warning light turns off 10 seconds after the ignition switch is turned to ON, blinks for 1 minute, and then remains on.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (COMBINATION METER - TIRE PRESSURE WARNING ECU) |
(a) Disconnect the F14 meter connector.
(b) Disconnect the F7 ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F7-5 (IND) - F14-9 (TIRE) |
Always |
Below 1 Ω |
F7-5 (IND) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK COMBINATION METER |
(a) Disconnect the F7 ECU connector.
(b) Turn the ignition switch to ON and check the condition of the tire pressure warning light illumination.
Result
Result |
Proceed to |
---|---|
Turns on after blinking for 1 minute |
A |
Does not turn on after blinking for 1 minute |
B |
A | ![]() |
REPLACE TIRE PRESSURE WARNING ECU |
B | ![]() |
REPLACE COMBINATION METER ASSEMBLY |
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after d ...
Open in Inside Luggage Compartment Electrical Key Oscillator Circuit (B27A7)
DESCRIPTION
The certification ECU generates a request signal and transmits the signal to
the indoor No. 2 electrical key antenna (inside luggage). The indoor No. 2 electrical
key antenna (inside luggage) detects that the electrical key is inside the vehic ...