Question about 1995 Nissan Quest

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Transmission problem when when it rains.

The minivan work perfect during normal wheather conditions. When it rains, the transmission do not engage normal on first and second. This problem only happens when it rains, the check engine come on and while running the engine hesitates.

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I had a toyota 4 runner with same problem,windshield had small leak and was getting onboard computer wet. does your windshield leak? believe it or not,a new windshield did solve the problem!

Posted on Dec 16, 2008

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Posted on Jan 02, 2017

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Sometimes stabilitrak service message comes on, but the car drives good.


If you took it to get a code readout, you might have a safer idea of what sensor might be having a malfunction. Is the message under normal driving conditions? Or are you experiencing these messages under snow and ice or rain? Stability lights will come on during hard accerations also because it is a complete different computing system that adjusts your ride as you go. If you are experiencing this during horseplay then it is doing its job to inform you it is working but if it is coming n during normal driving conditions then you are experiencing something worth getting check out by a real professional that can prove what is wrong rather than guess.

Feb 21, 2016 | 2013 Cadillac XTS

1 Answer

Engine code 894


DTC P0894 Transmission Component Slipping
DTC P0894Circuit Description with 4L80-E / 4L85-E Automatic Transmission The powertrain control module monitors the engine speed and the transmission output shaft speed. The PCM calculates turbine shaft speed and torque converter clutch (TCC) slip speed by using inputs from the automatic transmission input shaft speed sensor, automatic transmission output shaft speed sensor, and other transmission components. The forward clutch housing is used as the AT ISS rotor. Whenever the TCC is engaged, engine speed and turbine speed will closely match, indicating low TCC slip speed. In D3, with the TCC engaged, calculated transmission component slip can only occur in the torque converter. In D4 OVERDRIVE, with the TCC engaged, transmission component slip can occur in the TCC or the fourth clutch assembly. If the PCM detects an excessive TCC slip speed in D4 OVERDRIVE, when the TCC should be engaged, then DTC P0894 sets. DTC P0894 is a type C DTC. For California emissions vehicles, DTC P0894 is a type B DTC.DTC Descriptor This diagnostic procedure supports the following DTC: DTC No MAF sensor DTC P0101, P0102 or P0103. No MAP sensor DTC P0106, P0107 or P0108. No TP sensor DTC P0120 or P0220. No VSS DTC P0502 or P0503. No ISS DTC P0716 or P0717. No TCC Stuck Off DTC P0741. No TCC Stuck On DTC P0742. No 1-2 SS valve DTC P0751, P0752 or P0753. No 2-3 SS valve DTC P0756, P0757 or P0758. No TFP manual valve position switch DTC P1810. No TCC PWM solenoid valve DTC P2761. The throttle angle is 10-100 percent. Engine speed is 1,250-5,000 RPM. The TFT is Vehicle speed is TFP manual valve position switch indicates D4. The TCC is commanded ON for 0.04 second or greater. TCC is locked ON for greater than 0.1 second. Commanded The PCM detects slip in the torque converter clutch and/or the fourth gear clutch pack with the TCC in an apply or locked mode. DTC P0894 sets during the second consecutive trip when one of the following conditions occur: The TCC slip speed is 100-550 for 10 seconds for three occurrences.The TCC slip speed is 100-550 for 10 seconds, the PCM commands maximum line pressure. The TCC slip speed is 100-550 for 12.5 seconds, the PCM commands the TCC Off for 2 seconds. The TCC slip speed is 100-550 for 15 sec For California emission equipped vehicles, the PCM illuminates the malfunction indicator lamp during the second consecutive trip in which the Conditions for Setting the DTC are met. For Federal emission equipped vehicles, the MIL is not illuminated. The PCM commands maximum line pressure. The PCM inhibits the TCC engagement. The PCM freezes transmission adaptive functions. The PCM records the operating conditions when the Conditions for Setting the DTC are met. The PCM stores this information as Freeze Frame, California only, and Failure Records, California and Federal. The PCM stores the DTC P0894 in PCM history during the second consecutive trip, California, or the first trip, Federal, in which the Conditions for Setting the DTC are met. For California emissions, the PCM turns OFF the MIL during the third consecutive trip in which the diagnostic test runs and passes. A scan tool can clear the MIL/DTC. For California emissions, the PCM clears the DTC from PCM history if the vehicle completes 40 warm-up cycles without an emission related diagnostic fault occurring. For Federal emissions, the PCM clears the DTC from PCM history if the vehicle completes 40 warm-up cycles without a non-emission related diagnostic fault occurring. The PCM cancels the DTC default actions when the fault no longer exists and the ignition switch is OFF long enough in order to power down the PCM. A TFP manual valve position switch malfunction can set DTC P0894. A mechanical failure of the shift solenoids or TCC PWM solenoid valve can set DTC P0894. Internal transmission failures can result in a DTC P0894. Sticking or contaminated shift valves may cause intermittent slipping in D4. DTC P0894 defaults to an elevated line pressure condition which may result in partial TCC apply. This may produce an idle surge that could stall the engine. The numbers below refer to the step numbers on the diagnostic table. 3. This step tests the indicated range signal to the actual selected range. A faulty TFP manual valve position switch can set a DTC P0894. 4. This step tests for excessive TCC slip speed while in a commanded TCC lock-up state and in fourth gear; and confirms that the fault is present. 5. This step tests for excessive TCC slip speed while in a commanded TCC lock-up state and in third gear. 6. This step tests for a sticking TCC shift valve. 7. This step tests for proper transmission line pressure.

Apr 18, 2014 | 2005 GMC Sierra 2500HD 4WD

1 Answer

ABS engages without braking


Check all wheel sensors for broken wires, loose connectors or position of sensors in their mounting brackets.

Mar 29, 2017 | Cars & Trucks

2 Answers

What setting should the transmission be set to


For fair weather driving 2wheel should be fine. for muddy or snowy conditions turn it to all wheel drive for increase traction.

Apr 21, 2013 | 2004 Chevrolet TrailBlazer

1 Answer

Transmission pressure switch manifold fault explanation p1810


Hi there:
The automatic Transmission Fluid Pressure (TFP) manual valve position switch consists of five pressure switches (two normally-closed and three normally-open), and a transmission Fluid Temperature (TFT) sensor combined into one unit. The combined unit mounts on the valve body.
The Powertrain Control Module (PCM) supplies ignition voltage for each range signal. By grounding one or more of these circuits through various combinations of the pressure switches, the PCM detects which manual valve position you select. The PCM compares the actual voltage combination of the switches to a TFP manual valve position switch combination chart stored in memory.

The TFP manual valve position switch cannot distinguish between PARK and NEUTRAL because the monitored valve body pressures are identical. With the engine OFF and the ignition switch in the ON position, the TFP manual valve position switch indicates PARK/NEUTRAL. Disconnecting the AT inline 20-way connector removes the ground potential for the three range signals to the PCM. In this case, with the engine OFF, and the ignition switch in the ON position, D2 will be indicated.

When the PCM detects an invalid state of the TFP manual valve position switch circuit by deciphering the TFP manual valve position switch inputs, then DTC P1810 sets.Action Taken When the DTC SetsThe PCM illuminates the Malfunction Indicator Lamp (MIL) during the second consecutive trip in, which the Conditions for Setting the DTC are met.The PCM commands D2 line pressure.The PCM commands a D4 shift pattern.The PCM freezes transmission adapt functions.The PCM records the operating conditions when the Conditions for Setting the DTC are met. The PCM stores this information as Freeze Frame and Failure Records.The PCM stores DTC P1810 in PCM history during the second consecutive trip in, which the Conditions for Setting the DTC are met.Since the computer does not know what gear range the transmission is shifted into, it defaults to a higher line pressure to protect the transmission. It also commands the transmission as if it were in the D4 position. The transmission will still shift normally through all the gears, shifts may be more firm than normal. No damage will occur to the transmission if driven even for prolonged periods with this dtc set. It is far more likely that the loss of transmission fluid damaged the transmission.

Hope helps.

Mar 21, 2012 | 2002 Pontiac Grand Am

1 Answer

My 1995 F350 Powerstroke "Shutters"


VIBRATION - DRIVELINE RESONANCE/VIBRATIONBETWEEN 1400 AND 2000 RPM WITH CONVERTER
Clutch ENGAGED DURING MEDIUM TO HEAVY
THROTTLE CONDITIONS - VEHICLES WITH 7.3L DI
TURBO ENGINE AND TRANSMISSION BUILT PRIOR
TO 11/13/95 (5L13)
^ TRANSMISSION - E40D - DRIVELINERESONANCE/VIBRATION BETWEEN 1400 AND 2000
RPM WITH CONVERTER
Clutch ENGAGED
DURING MEDIUM TO HEAVY THROTTLE
CONDITIONS - VEHICLES WITH 7.3L DI TURBO
ENGINE AND TRANSMISSION BUILT PRIOR TO
11/13/95 (5L13)

FORD:
1995-1996 E-350, F-250 CREW CAB, F-350 CREW CAB
Article 96-26-21 is being republished in its entirety as part of a consolidated 7.3L diagnostic aid booklet.
ISSUE
Some vehicles with transmissions built prior to 11/13/95 (5L13) may exhibit a driveline resonance/vibration between 1400 and 2000 RPM with the torque convertor engaged. This may be caused by the torque converter.
ACTION
Prior to torque converter replacement, refer to the following Service Procedure for details to verify conditions.
SERVICE PROCEDURE
1. Verify the resonance/vibration does not occur in neutral and is most noticeable between 1400 and 2000 RPM with the converter clutch engaged during medium to heavy throttle conditions. Also watch for the vibration to diminish at engine speeds lower than 1400 and higher than 2000 RPM. If the concern meets all of these conditions and the transmission has a built date prior to 11/13/95 (5L13), replace the torque converter. Refer to the appropriate Service Manual for removal and installation procedures.
2. If the vibration concerns do not meet the conditions, check for non-factory installed items that could affect driveline and verify proper installation. Also refer to the appropriate Service Manual, Section 05-00 for diagnosis and testing.
107118085

Aug 22, 2011 | 1995 Ford F250

2 Answers

Does not shift ,engine makes whining,rattling sound diagnostic code:0742 displays allfluid levels are topped off,oil,tranny,powersteering,radiator


it doesnt matter if the fluids are topped off?????????????? you need a tcc switch

Circuit Description
The TCC release switch is part of the automatic transmission fluid pressure (TFP) manual valve position switch. The TFP manual valve position switch is mounted to the transmission valve body.
The TCC release switch is a normally-closed switch. When the TCC is released, TCC release fluid pressure opens the TCC release switch which opens the TCC release pressure circuit. When the voltage on the circuit is high, switch open, the PCM recognizes that the TCC is no longer engaged.

If the PCM detects that the TCC release switch is closed when the TCC is commanded OFF, then DTC P0742 sets. DTC P0742 is a type B DTC.

DTC Descriptor
This diagnostic procedure supports the following DTC:

DTC P0742 Torque Converter Clutch (TCC) System - Stuck On

Conditions for Running the DTC
  • No TCC release switch DTC P1887.
  • No TCC PWM solenoid valve DTC P2761.
  • The engine speed is greater than 500 RPM for 5 seconds and not in fuel cut off.
  • The engine torque is 95 - 270 Nm (70 - 200 ft. lbs.) .
  • The TP indicated angle is 5-45 percent.
  • The transmission fluid temperature is between 20°C (68°F) and 130°C (266°F) .
  • The TCC is commanded OFF.
Conditions for Setting the DTC
The TCC release switch is closed 6 times for 4 seconds each, during one trip.

Action Taken When the DTC Sets

  • The PCM illuminates the malfunction indicator lamp (MIL) during the second consecutive trip in which the conditions for setting the DTC are met.
  • The PCM commands maximum line pressure.
  • The PCM commands the TCC ON at maximum capacity.
  • The PCM freezes transmission adaptive functions.
  • The PCM records the operating conditions when the Conditions for Setting the DTC are met. The PCM stores this information as Freeze Frame and Failure Records.
  • The PCM stores DTC P0742 in PCM history.
Conditions for Clearing the MIL/DTC

  • The PCM turns OFF the MIL during the third consecutive trip in which the diagnostic test runs and passes.
  • A scan tool can clear the MIL/DTC.
  • The PCM clears the DTC from PCM history if the vehicle completes 40 warm-up cycles without an emission-related diagnostic fault occurring.
  • The PCM cancels the DTC default actions when the ignition switch is OFF long enough in order to power down the PCM.
Diagnostic Aids

Test Description
The numbers below refer to the step numbers on the diagnostic table.

  1. A Yes answer indicates that the TCC release switch is functioning properly.
  1. With the 20-way connector disconnected, the PCM should interpret the open circuit as TCC release pressure present.
  2. The TCC release switch is a normally closed switch and must be disconnected to properly test for a short to ground condition. An open condition in the TCC release circuit or switch would set DTC P1887. Open circuits are not diagnosed in DTC P0742.
  1. This step tests for a mechanical or hydraulic condition that would cause the TCC to be stuck ON.
' var HIGHmap133785047 = '' // --> Step 1 - Step 7

Mar 07, 2010 | 2006 Chevrolet Uplander

1 Answer

How to shift into 4 LO in 2004 jeep grand cherokee


The correct procedure should be described in detail in your owner/operation manual.
For a 2004, 90 % sure that if it's a quadra trac you have to immobilize the vehicule, put your transmission shifter to neutral keeping foot on the brake obviously, engage the low on transfer case pulling the transfer case shifter, engage the transmission to drive
If it's a select track, normally you have to keep the vehicule moving very slowly (2 mph), move the transmission shifter to neutral, push the transfer case shifter to the right and pull it firmly. Once transfer case engaged, put back the transmission shifter to drive.
It could take few seconds to engage and disengage depending on the temperature and road condition. Do not try it on dry surface (preferable on mud, snow and wet surface). Drive at low speed because you will feel that it's very low geared.
By the way, follow the reverse process to reestablish normal mode

Hope it will help
Dan

Dec 21, 2009 | 2004 Jeep Grand Cherokee

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