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thanks
Power back feed through the electrical systems ,maybe . Looking at a wiring diagram to see if these share a body ground point would be the thing to do. Do you know anything about automotive electrical circuit's ? What the difference is from B+ voltage side of the circuit and the ground side . Do you know what a wiring diagram is ,how to read one ? Scanner wouldn't show anything in these cases . Testing the electrical circuits for the affected systems is the only way .
Electric Testing Techniques You Need to KnowMastering Voltage Drop Testing with Pete Meier and Jerry Truglia
Free wiring diagrams here http://www.bbbind.com/free_tsb.html Enter vehicle info. year , make , model and engine size . Under system click on lighting ,then under subsystem click headlamps .Click the search button then the blue links . Then change systems , from headlamps to HVAC - heater , then to transmission an shift inter lock ,this has a electrical controlled lock solenoid that won't allow the shifter to move ,unless drivers foot is pushing the brake pedal. Watch the videos ,buy a DVOM - digital volt ohm meter . test the circuits . Or show all this to your mechanic .
Not sure if you meant the dash area or center console area, but these videos may help. The first one is for the dash console area to remove the instrument cluster:
This one is for the blend door actuator, but shows how to remove the center console:
Disconnect one of your headlamps and use a multimeter to figure out the positive low beam and ground on the wiring, then using the ohm meter function check the high beam wiring back to the fuses and relays.If I remember correctly, the fog lights are supposed to turn off when you turn on the high beams. So that switch system may need to be looked into on the controls.
P0191 - Fuel Rail Pressure Sensor Circuit Performance (FRP) The comprehensive component monitor (CCM) monitors the FRP pressure for acceptable fuel pressure. The test fails when the fuel pressure falls below or exceeds a minimum/maximum calibrated value for a calibrated period of time. High fuel pressure.
Low fuel pressure.
Damaged FRP sensor.
Excessive resistance in circuit.
Low or no fuel.
A FRP PID value during KOER of 138 kpa (20 psi) and 413 kpa (60 psi) for gasoline or 586 kpa (85 psi) and 725 kpa (105 psi) for natural gas vehicles (NG) is acceptable. You will have to check these items to find the cause of the code. no short cuts.
Code 171 means the fuel mixture is too lean on bank one and code 174 is the same thing for bank two. So I doubt the O2 sensors are faulty. Chances are you have a fuel problem, maybe low fuel pressure.
This could be two different issues. For the dash light get the vehicle plugged into an OBD scanner or a diagnostic system to check for Trouble Codes. These will give clues as to what and where the issue could be. Comment below with them and I'l try to help explain them.
Unless the problem is with the brake booster most traction control systems do not use a vacuum to operate it. It is usually a set of electronic sensors on the wheels that the ECU uses to monitor tyre grip.
As I cannot look at the car myself for that hose you will need to get a good mechanic to look at it. The vacuum hose could go to many things like the EGR system, the Turbo (if fitted) or possibly to the transmission.
limited info generic answer ----if wiring request is for the vehicle [chassie etc]look up a repair manual for the van---if for the rv try dealer --rv shops --online forums --using the sub-model [rv model series ]
This will sound a bit silly and obvious but have you tried a new battery in the transponder key? Sometimes the fix is that easy.
Have you had the vehicle plugged into an OBD scanner or a diagnostic system? Dashboard codes are commonly a bit vague about what the issue is. A Code 24 simply comes up as 'an Immobiliser issue' and thats all you get. The OBD scan will also tell you if there are any other issues with any of the other sensors on the engine.
Comment below with any trouble codes you get and I'll try to help you more.
Exactly which bolts do you need the torque settings for? Not all nuts and bolts are the same torque setting on a vehicle. I would recommend you buy a good workshop manual for your vehicle as that should list all the settings you need.
