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Ascd relay ascd hold relay

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Brake lights don't come on.

Hi Hot rod,I have a 85 nissan 720 4x4,had her for 22 years,am looking at my fsm manual,it is showing,power from battery going thru a fusible link at positive side of battery going to stop lamp switch to A,S,C.D. controller,also,it is showing power leaving positive side of battery,going thru another fusible link going to A,S.C.D relay then going to A.S.C.D inhibitor relay then stop switch,then to A.S.C.D. controller,it has a stop lamp switch at pedal and another stop light on another circut,both go to the A,S,C,D contoller,hmmm,years ago,my stop light switch went bad on my brake pedal,replaced and if was fixed.Take a look at my Nissan if you want,also if you want me to take pics of the diagram I am looking at I will. 85 Nissan 720 4x4 2 4 Weber conversion

Aug 14, 2015 | 1997 Nissan Pickup

1 Answer

2005 nissan sentra brake lights not working blows fuse when brake peddle pressed. i put a fuse in and when i press the peddle the fuse blows is this the switch that needs to be replace or the ascd

have a look at the fuse. If its all black and you see small bits inside you have a dead short in the circuit. Check the wiring for any metal to wire contact, especially at any points where wires touch any metal. If its just melted in the middle but did not blow violently its overloads the circuit is drawing too much current for too long, look for fused contact or stuck relay etc.

Feb 18, 2015 | 2005 Nissan Sentra SE-R

2 Answers

How do you adjust the ASCD cancel swith on 2001 Xterra?

there are 3 types brake switch
  1. a nut that sets the stroke and you lock the nut.
  2. auto adjusting
  3. and install time adjusting. (special steps different car from car make) found on may cars today, for faster car assembly. Day1
the fsm book covers this. (my online skips it, sadly)
i went to and its type 1 switch, see that jam nut?

as you can see the switch turns for stroke
and the jam nut sets it, locks it.

ASCD is a speed sensor, and is not adjustable.
VSS speed sensor. (red herring, that)

Jul 01, 2014 | 2001 Nissan Xterra

1 Answer

What is an ASCD cancel switch?

ASCD is a speed sensor, why do you want to cancel it?

Mar 24, 2013 | 1988 Nissan Sentra 2 Door

1 Answer

What is code 1564 in 2003 nissan altima

Trouble Code: P1564

ASCD Steering Switch Circuit Malfunction
Possible Causes:

ASCD steering switch connector is damaged or loose. ASCD steering switch signal is open or shorted to ground. ASCD steering switch is damaged or has failed .

Aug 08, 2012 | Cars & Trucks

1 Answer

Ascd steering switch mal code pl564 circuit malfunct.

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Apr 11, 2012 | 2006 Nissan Titan

1 Answer

2002 nissan maxima showing codes p0430 and p1572. How Do I fix these problem?

P0430 - Catalyst System Efficiency Below Threshold (Bank 2)

Basically this means that the oxygen sensor downstream of the catalytic converter on bank 2 is detecting that the converter is not working as efficiently as it should be (according to specs). It is part of the vehicle emissions system.

Symptoms: You will likely not notice any drivability problems, although there may be symptoms such as a rough/hard idle when cold.

Causes: A code P0430 may mean that one or more of the following has happened:
* The catalytic converter is no longer functioning properly
* An oxygen sensor is not reading (functioning) properly
* There is an exhaust leak

Possible Solutions:
* First, inspect for exhaust leaks.
* Next step is to measure the voltage at the oxygen sensor on Bank 2. In fact, it would be a good idea to test each oxygen O2 sensor while you're at it.

One thing to note is that many vehicle manufacturers offer a longer warranty on emissions-related parts. So if you have a newer car but it's out of it's bumper-to-bumper warranty, there still may be warranty on this type of problem. Many manufacturers give a five year, unlimited mileage warranty on these items. It's worth checking into.

P1572 - ASCD Brake Switch Circuit Malfunction
- Turn ignition switch OFFDisconnect ASCD brake switch (2) harness connector Stoplamp switch (1) Turn ignition switch ON
- Check voltage between ASCD brake switch terminal and ground under the following conditions with CONSULT-II or testerCONDITION VOLTAGE Battery voltage Approx. 0V

More than likely the brake pedal cancellation switch is bad.

Keep us updated.

Feb 01, 2011 | 2002 Nissan Maxima

1 Answer

How to change under-hood fuse in a994 Mercery Villager

you have fuses there and in the van by the drivers side instrument panel.

here's how to change,
Fuse — Main Fuse Junction Panel NOTE: The MAIN and ALT fuses are high ampere cartridges that are held in place by screws, which must be removed in order to replace the cartridge. For removal of the MAIN or ALT fuse, refer to the procedure in this section. Always replace a blown fuse with a new one having the same amperage rating.

  1. Remove the appropriate fuse panel cover (14A003).
  1. Pull the fuse straight up from the fuse junction panel (14A068). If the fuse is a cartridge-type, carefully pry the clip, then pull the fuse straight up.
I would also check relays, including inhibtor relay. relas have a relese tab.

Item Part Number Description 1 14N089 RAD FAN — LO (Low FC Relay) 2 14N089 RAD FAN — HI 1 (High Fan Control [ FC] Relay) 3 14N089 RAD FAN — HI 2 (High FC Relay) 4 14526 PWR WDW 5 14526 ABS (Anti-Lock Brake System) 6 14526 RAD FAN 7 14526 FRT BLWR (Front Blower Motor) 8 14526 MAIN 9 14526 RR DEF (Rear Defroster) 10 14526 ALT (Generator) 11 14526 IGN SW (Ignition Switch) 12 — Joint Connector 13 14526 H/L RH (RH Headlamp) 14 14526 H/L LH (LH Headlamp) 15 14526 ALT (Generator) 16 14526 ENG CONT (Engine Controls) 17 14526 INJ (Injectors) 18 — SEC (Smart Entry Control) 19 — Hoodlamp 20 14526 ABS (Anti-Lock Brake System) 21 14526 HORN (Horn Speed Control) 22 14526 Fuel Pump (PCM) 23 14N089 ASCD Hold (Speed Control Relay) 24 14N089 Bulb Check 25 14N089 Headlamp, RH 26 14N089 INHIBIT (Throttle Position [TP] Switch) 27 9P704 FUEL PUMP 28 14N089 HORN
check 11, 16, 17, 22, 26, 27

Feb 22, 2009 | 1994 Mercury Villager

1 Answer

Ascd unit

the ascd in located in the #2 fuse box under the hood. you may need to look at your owner's manual to i d the right one

Dec 29, 2008 | 1995 Nissan Maxima

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