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6300772 Temperature not working

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My 1998 gmc jimmy slt has a heating problem. The heater wont turn off. As long as the car is on the heater is on full blast. The fans work and everything knob wise works but the heater is always on.


The air temperature valve electronic actuator positions the temperature door according to the temperature setting of the temperature control on the temperature control knob. For the full COLD temperature setting, the temperature control returns approximately 12 volts to the air temperature valve electric actuator. When the temperature setting is changed to full HOT, the temperature door is moved to the warm position and the output drops to about 0 volts. For a temperature setting in the mid range, the temperature door is positioned according to the voltage supplied through the temperature control switch.
Temperature Control Inoperative

2

Inspect the HVAC I fuse 21.
Is the fuse open?
--
Go to Step 20
Go to Step 3

3

  1. Disconnect the air temperature valve sensor.
  2. Turn the ignition switch to the RUN position.
  3. Move the headlamp switch to the PARK position.
  4. Using the J 35616-A , connect a J 39200 Digital Multimeter (DMM) between cavity 8 (CKT 733) of the air temperature valve motor connector and ground.
  5. Move the temperature control knob from the HOT position to the COLD position.
Does the voltage vary smoothly and continuously within the specified range?
0-12 V
Go to Step 4
Go to Step 9

4

Using the J 35616-A , connect a J 39200 DMM between cavity 10 (CKT 341) of the air temperature valve motor connector and ground.
Does the voltage equal the specified value?
B+
Go to Step 5
Go to Step 7

5

Using the J 35616-A , connect a J 39200 DMM between cavity 10 (CKT 341) and cavity 7 (CKT 1850) of the air temperature valve motor connector.
Does the voltage equal the specified value?
B+
Go to Step 6
Go to Step 8

6

Replace the air temperature valve motor.

Aug 31, 2015 | GMC Cars & Trucks

1 Answer

Error code list


ALARMS THAT STOP THE DISHWASHER

A1 Want of water

Is the water cock open?

Does the water load solenoid valve work?

Is the water feed flow a min. of 5 l/min?

Is the water inlet filter clean?

Is the load solenoid valve filter clean?

Is the overflow inserted?

Do the tank/boiler pressure switches work properly?



C9 Automatic hood out of order

Alarm codes for automatic hood type dishwasher (see paragraph 9.2.1 Alarm codes for automatic

hood type dishwashers)



C12 Tank level sensor out of order

Are the connectors correctly connected?

Are connector contacts cleaned?

Does the air trap of the tank work correctly?

Is the level sensor broken (replace it with a new one)?



Alarm codes for automatic hood type dishwashers

When the alarm C9 appears, to facilitate fault-finding a parameter providing a more detailed indication has

been introduced.

The parameter is C9 and is found in the ron family.

The possible cause of the anomaly can be found (see next table) according to the value of the parameter C9.

E.g.: With an automatic hood type the alarm C9 appears.

Access the parameter C9 in the ron family.

Assuming the value displayed is:

20 ? During lifting, the current absorbed by the lifting motor has exceeded the threshold. This can happen if

a rack or other heavy material was placed on the hood.









ALARMS THAT DON'T STOP THE DISHWASHER (SHOWN ON THE USER INTERFACE AT REGULAR INTERVALS)

b1 Drain not efficient

Has the overflow been removed?

Is the water drain blocked?

Is the drain pump blocked?

Are the air trap and tank pressure switch clean?

Is there a constriction in the drain tube?

Is the pump breather pipe returning to the tank clogged or constricted?

Does the tank pressure switch work properly?

Is there a hole in the drain tube (only for versions with drain pump)?



b2 Overflow alarm

Is the water drain blocked?

Are the air trap and tank pressure switch clean?

Does the tank pressure switch work properly?

Is the load solenoid valve blocked? (see electrical wiring diagram - YV1 Filling solenoid valve)

Is the load solenoid valve relay stuck? (see electrical wiring diagram - RL5 relay of AP2 board)



C1 Boiler temperature rise too fast

Does the boiler level sensor work properly? The boiler could be empty.

Are no-original power resistances installed?



C2 Boiler temperature too high

Has the boiler temperature been changed (btC - increased above 90°C)?

Has the software alarm value been modified (bH,)?

Does the boiler level sensor work properly?

Boiler relay/relays sticked (see electrical wiring diagram - RL1/ RL2/ RL3 relays of AP2 board)?



C3 Tank temperature too high

Is the feed water above 60°C?

Has the software alarm value been modified (tHi)?

Is the rinse water temperature too high?

Is the tank relay stuck (see electrical wiring diagram - RL4 relay of AP2 board)?



C4 Tank temperature sensor out of order

Is the temperature sensor broken or disconnected (see electrical wiring diagram - ST1 Tank

probe)?

Is the temperature sensor connector correctly inserted?



C5 Tank temperature sensor out of order

Is the temperature sensor short-circuited (see electrical wiring diagram - ST1 Tank probe)?



C6 Boiler temperature sensor out of order

Is the temperature sensor broken or disconnected (see electrical wiring diagram - ST2 Boiler

probe)?

Is the temperature sensor connector correctly inserted?



C7 Boiler temperature sensor out of order

Is the temperature sensor short-circuited (see electrical wiring diagram - ST2 boiler probe)?



C10 Rinse temperature sensor out of order (only on machines with temperature sensor on the rinse circuit)

Is the temperature sensor broken or disconnected?

Is the temperature sensor connector correctly inserted?

C11 Rinse temperature sensor out of order (only on machines with temperature sensor on the rinse circuit)

Is the temperature sensor short-circuited?

C13 Rinse pump out of order (the water level of the boiler does not decrease)

Does the rinse pump work correctly?

Is there any bottleneck in the hose, that connect the air trap and the board sensor?



WARNING:

Alarms C2, C6 and C7 lock the boiler temperature control.

Alarms C3, C4 and C5 lock the tank temperature control.

In the case of alarms C6 and C7, the boiler waiting phase is not executed (the rinse may be performed

with cold water) and, during the initial warm-up and subsequent rinses ( btF > 0 ), the boiler heating

phase is not executed.

In the case of an open probe error ( C4, C6 e C10 ), the displayed temperature is 10°C

In the case of a shorted probe error ( C5,C7 e C11 ) , the displayed temperature is 99°C.



E1 Communication error

Is the connection between main board and control panel correct? Are the connectors correctly

connected?

Are connector contacts clean?

E2 Tank temperature low

Does the tank heating element work properly?

Are the connectors correctly connected?

Are the dishwasher feed voltage and current correct?

Is the relay RL4 (see electrical wiring diagram - RL4 relay of AP2 board) on the board disconnected

or faulty?

E3 Boiler temperature low

Does/do the boiler heating element/s work properly?

Are the connectors correctly connected?

Does the possible remote control switch connected to the heating element work correctly?

Is there power at the remote control switch input terminals?

Do boiler relays (see electrical wiring diagram - RL1/ RL2/ RL3 relays of AP2 board) work properly?



CAUTION: IF THERE IS A MALFUNCTION ON RELAY RL1 AND THE BOILER HEATING ELEMENTS

ARE FED BY MEANS OF A REMOTE CONTROL SWITCH, THE BOARD DOES NOT

HAVE TO BE REPLACED; JUST MOVE THE BOILER HEATING ELEMENT CONNECTOR TO

ONE OF THE TWO FREE POSITIONS ON THE BOARD.

CAUTION: WHEN ONE BRANCH OF THE HEATING ELEMENT DOES NOT WORK AND THE

OTHER TWO CONTINUE TO FUNCTION, ON REACHING THE SET TEMPERATURE VALUE,

ALARM 3 DISAPPEARS AND REAPPEARS IN THE SUBSEQUENT RINSE PHASE. THIS

ALSO OCCURS WHEN A PHASE IS MISSING.



Dado

Sep 01, 2014 | Zanussi Dishwashers

1 Answer

Temperature gauge on 2003 toyota sequioa stopped working


Check the following: 1. temperature sensor if is working, 2. broken wire from the temperature sensor to the Dash Gauge. 3. Dash temperature Gauge, 4. Any Fuse or Relays not working.

Nov 01, 2013 | Cars & Trucks

1 Answer

My temperature gage on the dash board is not working Any ideas? My car is a 1992 S10. 2.8 V6


check if the wire and the connector on the temperature sensor is either disconnected or broken.Also check if the temperature sensor is working or not. And last if all the others are working,check the temperature gauge if is working or not.

Jan 04, 2013 | 1992 Chevrolet S-10

1 Answer

Cooling fan operation


sounds to me like the thermostat is sticking and allowing the car to overheat. with the a/c on the fan comes on and runs constantly to keep the engine cool

Oct 22, 2009 | 2000 Ford Focus

1 Answer

F3 code on GE


ok here is the result to searching GE the answer to thew code.

Please rate our help to keep this free service online

Open oven temperature sensor (circuit) (over 2700 ohms) or, shorted oven temperature sensor. Could be a result of:
· contamination on terminals
· pinched wire in oven temperature sensor circuit
· cold solder joint on control. · Disconnect power to range and remove oven temperature sensor connector from control.
· Measure oven temperature sensor resistance at oven temperature sensor connector (take care not to damage terminals in block) - Should read 1100 ohms at room temperature (approx 72 degrees F).
· Measure each oven temperature sensor lead from connector block to ground. If shorted, look for pinched or cut wire in oven temperature sensor circuit.
· Check connector terminals - Look for deformed or corrosion on terminals. Repair or replace.
If all above is ok replace control.

Aug 28, 2009 | GE JVM1430 Microwave Oven

1 Answer

Teampreature gauge not working


Sounds like you have installed a 'over-temperature switch' type sender unit- this type of sensor is only meant to control an over-temperature alarm indicator lamp that is either 'on' or 'off'.

The temperature gauge requires a 'variable resistance type' temperarure sensor to control the meter deflection.
When cold the temperature sensor is of high resistance, hence less meter deflection;
when hot temperature sensor is of low resistance, hence more meter deflection.

You need to procure a matching sensor to suit the type of gauge installed.

Is it possible you have connected to the temperature wrong temperature sensor? - most vehicles are fitted with both a gauge type (variable resistance) sensor to drive the temperature gauge, as well as a switch type (on or off) sensor to drive the overtemp indicator light.

Jun 03, 2009 | 1983 Ford Econoline

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