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My 07 Saturn Relay shows ac off for engine protection but the gauge shows cold. The hoses feel normal. What is happening?


A/C Off For Engine Protection
Refer to Cooling System Description and Operation

DTC P1258: Engine Coolant Overtemperature - Protection Mode Active.
This is something you need to take to a qualified repair shop .
The engine cooling fan system consists of 2 electrical cooling fans and 3 fan relays. The relays are arranged in a series/parallel configuration that allows the powertrain control module (PCM) or engine control module (ECM) to operate both fans together at low or high speeds. The cooling fans and fan relays receive battery positive voltage from the underhood junction block. The ground path is provided at G100.
During low speed operation, the PCM/ECM supplies the ground path for the low speed fan relay through the low speed cooling fan relay control circuit. This energizes the cooling fan 1 relay coil, closes the relay contacts, and supplies battery positive voltage from the cool fan 1 maxifuse® through the cooling fan motor supply voltage circuit to the left cooling fan. The ground path for the left cooling fan is through the cooling fan relay and the right cooling fan. The result is a series circuit with both fans running at low speed.
During high speed operation, the PCM/ECM supplies the ground path for the cooling fan 1 relay through the low speed cooling fan relay control circuit. After a 3 second delay, the PCM/ECM supplies a ground path for the cooling fan 2 relay and the cooling fan relay through the high speed cooling fan relay control circuit. This energizes the cooling fan relay coil, closes the relay contacts, and provides a ground path for the left cooling fan. At the same time the cooling fan 2 relay coil is energized closing the relay contacts and provides battery positive voltage from the cool fan 2 maxifuse® on the cooling fan motor supply voltage circuit to the right cooling fan. During high speed fan operation, both engine cooling fans have there own ground path. The result is a parallel circuit with both fans running at high speed.

Nov 20, 2016 | 2007 Saturn Relay

1 Answer

F150 4.2 temp. Gage pegs to h


SOUND LIKE THE TEMPATURE SENSOR IS BAD REPLACE IT WITH ONE THAT THE CAR RECOMEND. IF THE CAR ENGINE IS HOT :CHECK THAT THE FAN IS PRODUCING ENOUGH AIR THRO THE RADIATOR IF OK THEN CHECK THAT THE THERMOSTATE IS NOT THE FOULT.

Feb 05, 2014 | Cars & Trucks

1 Answer

Have short in fuse box horn fuse keeps blowing.removed air bag but connected horn on seperate switch also abs switch is in foult.could anyone suggest where the foult is?


First of all, it's not likely there is a short in the fuse box. More likely is a short in the horn circuit. Check the horn mechinism in steering collum and the wiring to the horns. Why would you remove an airbag? Also, The ABS system is a brake pressure regulating device that operates via wheel speed sensors mounted near the brake rotors, which feed info to a computor. Either the sensors are bad, there is a problem with wiring/connectors, or the computor is haywire.

Apr 05, 2013 | 1998 Holden VT Commodore

1 Answer

Scorpio scannig foult code p162d


You have an issue with the internal controls; Cruise control malfunction.

Oct 17, 2012 | Cars & Trucks

1 Answer

Air bag warning light. sensor issue drivers side.


hallo
if your foult is driver side airbag and it is not blown out, you should check "clock spring" wires behind steering whell.
if foult is driver side belt tensioner, check conector underneeth driver seat.
on the end erase foult/s with diagnostic equipment.
Marko

Oct 08, 2009 | 2005 Peugeot 405

1 Answer

Nokia 6630 white light displey foult


the lcd needs to be replaced on the phone.

May 30, 2009 | Nokia N73 Cellular Phone

1 Answer

Ive just changed the tires on both front and now all the lights are on ABS, Trac and Breaks the lights were on before but the car would move now the car doesnt move its like the breaks are engaged


hi its rob is the tyres the same size as the ones u replaced if so then ur abs pump may be at foult you may need to get it pluged into to dygnostics just to rule out computer foults

Apr 26, 2009 | 2000 Pontiac Grand Am GT

2 Answers

XEROX 3535 FAULT CODE 010-350


foult code 010-348 pleas solve this problem

Apr 04, 2009 | Xerox DocuColor 3535 Copier

1 Answer

2001 volvo s-40


codep1618 indicates a failur in comunications between the engine control prosesor and the automatic trans axle prosesor.the ecm/pcm stores the trouble info as freeze frame 'and the check engine lamp(mil) will light.the mill will be turned off after 3 on the 3rd trip cycle if the foult is no longer present.the freeze frame info will clear after 40 consecutive worm-up cycle have ocurred with out a foult.

Sep 19, 2008 | 2001 Volvo S40

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