DESCRIPTION
The IG circuit is the power source for the tire pressure warning ECU and receiver.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
HINT:
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (ECU - BATTERY AND BODYGROUND) |
(a) Disconnect the T14*1, T25*2, T24*3 tire pressure warning ECU and receiver connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
T14-1 (IG) - Body ground*1 T25-1 (IG) - Body ground*2 T24-1 (IG) - Body ground*3 |
Ignition switch ON |
10 to 16 V |
Ignition switch off |
Below 1 V |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
T14-12 (GND) - Body ground*1 T25-12 (GND) - Body ground*2 T24-12 (GND) - Body ground*3 |
Always |
Below 1 Ω |
*a |
Front view of wire harness connector (to Tire Pressure Warning ECU and Receiver) |
OK | ![]() |
REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE FRONT BRAKE SHOE
(a) Using SST, remove the shoe return spring from the front brake shoe.
SST: 09921-00010
(b) Using needle-nose pliers, remove the return spring.
(c) Using SST, remove the shoe hol ...
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL FRONT AXLE HUB OIL SEAL
(a) Using a brass bar and a hammer, install a new front axle hub oil seal.
NOTICE:
Do not damage the oil seal.
2. INSTALL FRONT AXLE WITH ABS ROTOR BEARING ASSEMBLY
(a) Using SST and a press, install a new bearing onto the front axle ...
Warning Lights, Gauges, and
Indicators
Warning: lights and gauges can
signal that something is wrong
before it becomes serious enough
to cause an expensive repair or
replacement. Paying attention to the
warning lights and gauges could
prevent injury.
Some warning lights come on briefly
when the engine is started to
indicate they are wor ...