Tire Pressure sensors!!!
#1
11-09-2007, 04:35 PM
Tire Pressure sensors!!!
I just went through the whole process of powder coating my wheels and getting new tires etc. I am having the tires mounted tomorrow andI suddenly had a cold rush of sh-t come over me! I did not mark the tire pressure sensors in any way to put them back on the truck in the position they were inoriginally. Is this even required? Will I get a trouble light?
Thanx
Thanx
#2
11-19-2007, 07:59 AM
RE: Tire Pressure sensors!!!
I don't believe you will have any problems. I had a low tire warningthe other day, called onstar to ask which one, and they had no clue. They said it was impossible to tell. This surprized me because my wife's Equinox also has TPS and it knows what the pressure of each tire is. I think this means the H3 has a more simple system and just monitors air pressure. 25psi or lower seems to tigger it.
#3
11-19-2007, 08:57 PM
RE: Tire Pressure sensors!!!
I guess I was wrong about the positioning of the sensors. It does matter. If you go to the FAQ section on the H3 forum there are some good explinations on how they work, and how to reset them.
#4
11-19-2007, 09:19 PM
RE: Tire Pressure sensors!!!
It's all in the Owners Manual:
[font=arial][color=#231f20]
TPMS Sensor Identification Codes
[font=arial][color=#231f20][size=1]Each TPMS sensor has a unique identification code.
Any time you rotate your vehicle’s tires or replace one or
more of the TPM sensors, the identification codes will
need to be matched to the new tire/wheel position.
The sensors are matched to the tire/wheel positions in
the following order: left front (LF), right front (RF),
right rear (RR) and left rear (LR).
You will have one minute to match the first tire/wheel
position, and five minutes overall to match all four
tire/wheel positions. If it takes longer than one minute,
to match the first tire and wheel, or more than five
minutes to match all four tire and wheel positions the
matching process stops and you will need to start over.[font=arial][color=#231f20]
The TPM sensor matching procedure is outlined below:
1. Set the parking brake.
2. Turn the ignition switch to ON with the engine off.
3. Turn the exterior lamp switch from AUTO to
ON four times within three seconds. A double horn
chirp will sound and the TPMS low tire warning
light will begin to flash. The double horn chirp and
flashing TPMS warning light indicates the TPM
matching process has started. The TPMS warning
light should continue flashing throughout the
matching procedure. The SERV TPM message will
be displayed on the Driver Information Center (DIC).
4. Start with the left (driver’s side) front tire.
5. Remove the valve cap from the valve cap stem.
Activate the TPMS sensor by increasing or
decreasing the tire’s air pressure for 10 seconds,
then stop and listen for a single horn chirp.
The single horn chirp should sound within
15 seconds, confirming that the sensor identification
code has been matched to this tire and wheel
position. If you do not hear the confirming single
horn chirp, you will need to start over with step
number one. To let air-pressure out of a tire you can
use the pointy end of the valve cap, a pencil-style
air pressure gage or a key.
6. Proceed to the right (passenger’s side) front tire,
and repeat the procedure in Step 5.
7. Proceed to the right (passenger’s side) rear tire,
and repeat the procedure in Step 5.
8. Proceed to the left (driver’s side) rear tire, and
repeat the procedure in Step 5.
9. After hearing the confirming horn chirp for the left
rear tire, check to see if the TPMS warning light is
still flashing. If yes, turn the ignition switch to LOCK.
10. Set all four tires to the recommended air pressure
level as indicated on the Tire and Loading
Information label.
[lef
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