Question about 1999 Pontiac Montana

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Montana van 2002 why the fan speed control switch for heat and air only 4&5 but it is not working on 1,2 and 3 ???

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Fan switch is more than likely bad. you can try air in a can to blow out any debris that may cause it to lose connection in the switch. thats worked sometimes. but if that does'nt work,the only solution is to replace the fan switch in the dash. thank you for choosing fixya.com

Posted on Mar 27, 2011

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Mack Fault Codes List


FAULT CODE IDENTIFICATION TABLE - VMACIII - 1998 & NEWER
1-1 Engine Oil Pressure Sensor
1-2 Barometric Pressure Sensor
1-3 Fuel Temperature Sensor
1-4 Ambient Air Temp Sensor
1-6 Starter Input
1-7 Engine Coolant Level
1-8 (ASET CEGR) Estimated % Fan Speed
1-10 Aux. Cooling Relay Output
2-1 Engine Coolant Temp Sensor
2-2 (ASET IEGR) Boost Air Pressure Sensor
2-2 (ASET CEGR) Boost Air Pressure
2-3 Intake Air Temp Sensor
2-4 Trans Oil Temp Sensor
2-5 Front Drive Axle Oil Temp Sensor
2-6 Rear Drive Axle Oil Temp Sensor
2-7 Engine Oil Temp Sensor
2-8 (ASET CEGR) Combustion Air Temperature
2-9 (ASET CEGR) Combustion Air Temp Sensor
3-1 Exhaust Temperature Sensor
3-2 Engine Speed Sensor
3-3 Redundant Engine Speed
3-4 Engine Position Sensor
3-5 Engine Brake Output #1
3-6 Engine Brake Output #2
3-8 Trans Splitter Position
3-10 (ASET CEGR) Engine Brake Output #3
4-1 Vehicle Speed Sensor (VSS)
4-2 Fan Clutch Output
4-3 Auxiliary Output #1
4-4 Auxiliary Output #2
4-5 (ASET IEGR) Wastegate Output
4-5 (ASET CEGR) VTG Position Sensor
4-6 Tachometer Output
4-7 Speedometer Output
4-8 Customer Defined Statement
4-9 (ASET CEGR) EGR Valve Mechanism
5-1 Throttle Position Sensor
5-2 Throttle Position Sensor Reference Voltage
5-3 Engine Shutdown Lamp/Alarm
5-5 Electronic Malfunction Lamp
5-6 Spare Relay #3
5-7 Engine Oil Level
5-8 (ASET CEGR) EGR Temperature
5-9 (ASET CEGR) EGR Mass Flow
6-1 Fuel Level
6-2 (ASET CEGR) Turbocharger Speed
6-3 J1708/J1587 Link
6-4 J1939 Link
6-5 All Communication Lost - Engine Shutdown
6-6 Fuel Control Module
6-7 Power Relay
6-8 J1939 Link
6-9 Other ECU Affecting Operation
7-1 Service Brake Switch
7-2 Parking Brake Switch
7-3 Speed Control SET Switch
7-4 Speed Control RESUME Switch
7-5 Battery / Alternator Voltage
7-6 Switched Voltage
7-7 Exhaust Temp Reference
7-9 VTG Actuator
8-1 Electronic Unit Pump #1
8-2 Electronic Unit Pump #2
8-3 Electronic Unit Pump #3
8-4 Electronic Unit Pump #4
8-5 Electronic Unit Pump #5
8-6 Electronic Unit Pump #6
8-9 Solenoid Boost Voltage
9-1 Transport Protocol
9-2 Power Reset Without Key Switch
9-3 (ASET CEGR) Aftercooler Outlet Temperature
9-5 (ASET CEGR) Compressor Discharge Temp
9-8 (ASET CEGR) Auxiliary Output Device #1
9-9 (ASET CEGR) Auxiliary Output Device #2
9-10 (ASET CEGR) Auxiliary Output Device #3
10-1 (ASET CEGR) Internal Sensor Voltage
10-2 (ASET CEGR) 5 Bolt Supply
10-3 (ASET CEGR) Sensor Supply Voltage #1
10-4 (ASET CEGR) Sensor Supply Voltage #2
10-5 (ASET CEGR) Fuel Filter Differential Pressure
10-6 (ASET CEGR) Fuel Delivery Pressure
10-7 (ASET CEGR) Odometer Save Area Failure
10-8 (ASET CEGR) GPS Position Data Not Received
10-9 (ASET CEGR) Watchdog Timer Reset


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on Dec 20, 2016 | Cars & Trucks

1 Answer

Heater fan speed control inside car has 1 to 5 speeds, only 4 & 5 worked for a year or so. Now only 5 works. Fuse problem or what?


no sounds like u have a switch problem :) i would reccomend replacing the switch... Hope this helped

Feb 26, 2011 | 2002 Buick Rendezvous

1 Answer

My 2002 Montana Van will over heat while idling, once I start driving the temperature gauge will come back to normal. I checked under the hood and the coolant in the reservoir is boiling and the electric...


These fans should turn on at about 220 degrees, give or take a couple, and then turn back off at about 210 degrees.Fans should also come on when engine is idling with the a/c on [provided the a/c works of course] If the fan[s] isn't running and the gauge is over about 3/4 of the way or will go all the way to the end then odds are your fan's aren't capable of working for some reason. The classic symptoms of a cooling fan not working are what you are describing: Cools fine at highway speeds, overheats at slow speeds. I would start by checking the cooling fan fuses located in the underhood fuse panel. I believe they are marked Cooling fan 1 and Cooling fan 2 and both should both be 30 amp fuses. If the fuses are good then you might have problems with the fan motors themselves. Hope this helps you get it working again!

Jul 15, 2010 | 2002 Pontiac Montana

1 Answer

What fuse is for the clock in my 95 ford taurus


Clock Memory Fuse 8 and Digital Clock Fuse 6 .
--------
A/C Compressor Clutch Fuse 17
A/C Heater Control Switch Fuse 17
A/C-Heater Mode Switch Fuse 9
Air Bag Diagnostic Monitor Fuse 7
Air Bags Fuse 5
Amplifier Fuse 11
Autolamp Dual Coil Relay Fuse 4
Backup Lamps Fuse 5
Blower Motor Speed Controller Fuse 17
Clock Memory Fuse 8
Courtesy Lamps Fuses 6 & 8
Daytime Running Lamps Fuses 5 & 10
Digital Clock Fuse 6
Digital Instrument Cluster Fuses 5 & 16
EATC Blend Door Actuator [1] Fuse 17
EATC Blower Motor [1] Fuse 9
EATC Control Module [1] Fuses 5 & 16
Exterior Lamps Fuses 4 & 15
Flash-to-Pass Switch Fuse 10
Hazard Lamps Fuse 1
Heated Oxygen Sensor Fuse 5
Illuminated Entry Fuse 5
Illuminated Entry Module Fuse 8
Instrument Illumination Fuse 13
Keyless Entry Fuses 5 & 8
LCD Dimming Relay Fuse 6
Lamps On Warning Fuse 4
Lamp Out Warning Fuses 6 & 15
Liftgate Window Defrost Fuse 6
Liftgate Window Washer Fuse 6
Liftgate Window Wiper Fuse 6
Light Sensor/Amplifier Fuse 18
Low Oil Level Relay Fuse 18
Main Light Switch Fuse 6
Manual Lever Position Sensor Fuses 5 & 10
Mobile Telephone Transceiver Fuse 11
Police Accessory Relay Fuse 6
Power Antenna Fuse 11
Power Mirrors Fuse 8
Power Windows Fuse 6
Radio Fuse 11
Radio Memory Fuse 8
Rear Window Defrost Fuse 5
Redundant Radio Control Fuse 11
Shift Lock Actuator Fuse 5
Speed Control Amplifier Fuse 6
Speed Control Deactivator Switch Fuse 1
Stop Lamps Fuse 1
Transmission Control Switch Fuse 18
Turn Lamps Fuse 1
Turn Signals Fuse 5
Variable Assist Power Steering Module Fuse 5
Warning Chime Fuse 6
Warning Chime Module Fuse 18
Warning Indicators Fuse 18
Windshield Wiper Control Module Fuse 2
Windshield Wiper Motor Fuse 2.

-------
this will help.thanks.

Feb 20, 2010 | 1995 Ford Taurus

1 Answer

Fan for heat/air will not work on 1-4 settings


check the blower motor resistor that is where the different speeds come from

Dec 07, 2009 | 2002 Buick Rendezvous

1 Answer

My brake fluid has turned black, why?


the fan switch needs to be replaced it is worn out on the lower speeds ..maybe youre brake fluid needs to be flushed and new brake fluid put in

Dec 02, 2009 | 2002 Pontiac Grand Prix

1 Answer

98 transport de frost blower seems weak


COULD BE THE FAN SPEED SWITCH. IF IT RUNS ON ONE SPEED ONLY THE SWITCH IS MORE THAN LIKELY BAD.

Jan 16, 2009 | 2002 Pontiac Montana

2 Answers

Fan speed switch only works on #5


Call your local GMC Dealer and see if they have the climate control panel in stock. What happens is the circuit board on the back of the panel shorts out. The panel comes as an assembly and is very easy to replace. Don't go with a wrecking yard piece. I made that mistake once and it didn't work either. I got one from the Chevy dealer and it worked perfectly.

Aug 21, 2008 | 2002 GMC Sierra

2 Answers

2002 Pontiac Montana


are u saying u replace the switch on the climate control
cause it would be the resitor on the blower causing it

Jun 09, 2008 | 2002 Pontiac Montana

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