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Heated Seat Components
The heated seat system consists of the following components:
• Driver and passenger heated seat switches
• Driver and passenger seat back heater elements
• Driver and passenger seat cushion heater elements
• Driver and passenger seat back temperature sensors
• Driver seat module
• Driver door module
• Passenger door module
When there are modules involved in the operation of any componet that's acting up , the module's electronic's could be the culprit ! But without testing who's to say what the problem could be !
I would have it check for DTC'S
DTC B2425 or B2430
The driver and passenger seat heaters are controlled by the driver seat module. Power is supplied to the driver seat cushion and back heater elements through individual voltage supply circuits. Power is supplied to the passenger seat cushion and back heater elements through a common voltage supply circuit. All of the driver and passenger seat heater elements are grounded by the driver seat module through individual low side drive control circuits. The heater element control circuits are pulse width modulated to ground by the driver seat module in order to control the seat temperatures by regulating the current flow through the heater elements.
DTC B2435 or B2440
The driver seat module relies on inputs from thermistors installed in the driver and passenger seat backs to control heated seat temperatures. The thermistors are 2-wire sensors supplied with a 5-volt referenced signal circuit and low reference circuit from the driver seat module. Resistance through the thermistors varies with temperature causing the heated seat sensor signal circuit voltage levels to decrease as the seat back temperatures rise.
Install a scan tool.
Start the engine.
Turn the heated seat ON.
With a scan tool, observe the Heated Seat Sensor parameter in the data list for the driver seat module.
Does the scan tool indicate that the heated seat sensor parameter is within the specified range?
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The ABS light could be many things. I would bring it into a place that has a Tech II scanner that can talk to the ABS module and it will pinpoint where the problem lies. My problem was the contacts under the horn, so I honked the horn 3 times and the light went off. As far as the blower, if you don't have automatic climate control, it may be your blower resistor module on the blower itself, which is a common problem with these.
Probably the door control module, which controls all those functions, as well as the power mirror. Some have reported getting it to work by disconnecting the battery for 30 seconds, so give that a try. If the module is bad it will have to be either re-programmed or replaced at a dealership, as it has to be coded to the vehicle's security code. I recently had mine replaced, cost was over $700 :-(
The front blower motor is controlled by the blower resistor module.This is usually the problem with the front blower not working.I looked up the schecmatics and I don`t see separate fuses for the front and rear.But the fuse for the front blower is in the under hood fuse block.If this is good then The problem is probably the resistor module.It is next to the blower motor.The connector from the resistor connects to the blower motor.If you want to confirm this you can check for power and ground at the blower motor connector when you activating the blower switch on.This can be done with a test light.Make sure you have power going into the resistor module also.If you have power going in and no power at the blower motor then replace the resistor.Hope this helps.Good luck.
WHEN THEY DO NOT WORK OPEN THE HOOD.RIGHT ABOVE WHERE THE STEERING COLLUM COMES THROUGH THE FIRE WALL IS THE WIPER MOTOR.ON THE MOTOR IS THE WIPER CONTROL MODULE.SMACK IT W/YOUR HAND.IF THE WIPERS START TO WORK THE CONTROL MODULE IS BAD