Question about 2001 Honda Odyssey

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Back brake light does not come on when brakes are applied, but the light bulb is still operational because the turn signal light works when the signal is turned on.

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  • Honda Master
  • 8,578 Answers

Hi, first check the stop light fuse. If that is good, the problem is usually the brake switch above the pedal, but sometimes it is the relay. Check the switch first by pulling the connector off the switch and connecting the terminals inside the connector using a large paper clip. If that turns the lights on, replace the switch. If shorting the brake switch connector does not turn the lights on, reconnect the switch and try swapping the stop light relay with another similar relay, such as the horn or A/C relay.
Note: if you have cruise control, the brake switch connector will have 4 terminals. In this case, try connecting every combination of 2 terminals at a time to see if the lights will come on.
The fuse and relay are probably in one or the other boxes under the hood. Please let me know if you have questions, and thanks for using FixYa.

Posted on Jan 01, 2011

  • 2 more comments 
  • learningmom Apr 18, 2011

    what if I change the brake switch light and the brake lights are still all out? any suggestions for that?

  • Jeffrey Turcotte
    Jeffrey Turcotte Apr 18, 2011

    Then I would check the relay, but I would need to know the model and year to give you specifics.

  • deepjain77 Oct 31, 2013

    I have similar issue. Break lights not working (2003 Hon ody). AND I'm not able to put gear out of " Park". I hope these two issues are related.

  • Jeffrey Turcotte
    Jeffrey Turcotte Oct 31, 2013

    yes, either power is not getting to the brake light switch or the switch is broken. Use a test light to check for power to the switch on the red wire and also the black wire with red stripe. One of the outputs also shuts off the cruise control (if equipped) when you hit the brake.

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Posted on Jan 02, 2017

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emissionwiz
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SOURCE: turn signals going crazy when I push on the brakes

you need to replace the turn signal switch, the contacts for the brakes and signals are close to each other and have most likely shorted together.

Posted on Jan 14, 2009

TLRogue
  • 99 Answers

SOURCE: brake lights dont work untill i turn the lights on, then stay on

Hi, are the tail lights and the brake lights in the same light unit?
If so, there is a possibility the bulbs are in the wrong way. If it is a stop/tail bulb then there are two locating pegs on the side of the metal part. If you look, one is higher than the other which has to locate into the correct slot in the holder.

Another possibility is the bulb is wrong, there are double and single contacts. Check the contact on the base of the bulb is the same as the contacts in the holder.

TL

Posted on Feb 09, 2009

djicenova
  • 319 Answers

SOURCE: 2001 Ford Ranger right turn signal doesn't work when the braking

Flasher Unit sounds bad... change the flasher, which is in the inboard fuse panel.

Posted on Feb 27, 2009

emissionwiz
  • 76846 Answers

SOURCE: 2002 F150 brake/turn signal

if u checked all the fuse's both in the cab and under hood and the wiring harness at rear of truck for any damage, I suspect the turn signal switch is defective.

Posted on Mar 05, 2009

  • 6982 Answers

SOURCE: turn signals blinking fast and stop when brakes applied

likely not, but change /check anyhow....If problem persists, likely you will need to change the module that controls directionals (usually under dash to the right of steering column)

Posted on Apr 27, 2009

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1 Answer

08 Buick lucerne cxl. Third brake light works as well as front signal lights. No rear brake lights or turn signals. Tail lights and headlights and third brake lights works. Bulbs good. Help


Stop Lamps
The brake pedal position sensor is used to sense the action of the driver application of the brake pedal. The body control module (BCM) provides a 5-volt reference voltage and low reference to the brake pedal position sensor. The position sensor provides an analog voltage signal back to the BCM that will increase as the brake pedal is applied. When the brake is applied, the BCM will then apply battery voltage to the left and right stop/turn signal lamp supply voltage circuits and the center high mounted stop lamp (CHMSL) supply voltage circuit illuminating the stop lamps. At the same time the BCM applies battery voltage through the signal circuit to the transmission control module (TCM) and the engine control module (ECM) indicating that the brakes are applied.
Ground for the stop lamps is supplied as follows:
• G402 provides ground for the left rear stop/tail/turn signal lamps
• G403 provides ground for the right rear stop/tail/turn signal lamps
• G301 provides ground for the CHMSL
The stop lamps on this vehicle will not illuminate unless the ignition is in the accessory, run, or crank positions. When the ignition is in the OFF position the stop lamps will not illuminate when the brake pedal is applied.
Battery voltage from the LT TRN/SIG and RT TRN/SIG fuses located in the rear fuse block is also used by the body control module (BCM) for stop lamp operation.

Turn Signal Lamps
Battery voltage supplied to the body control module (BCM) from the fuses listed below is used for turn signal and hazard lamp operation.
• LT TRN/SIG fuse for the left turn signals
• CTSY/RF TRN fuse for the right front turn signal
• RR TRN/SIG fuse for the right rear turn signal
When the turn signal switch is place in either the LEFT or RIGHT position, ground from G300 is applied through the turn signal switch signal circuit to the BCM indicating the turn signal request. In response to this signal, the BCM applies a pulsating voltage to the front and rear turn signal lamps supply voltage circuits cycling the lamps ON and OFF. At the same time the BCM sends a GMLAN serial data message to the instrument panel cluster (IPC) to cycle the appropriate turn signal indicator ON and OFF.
Ground for the turn signal lamps is supplied as follows:
• G104 provides ground for the left and right front turn signal lamps
• G402 provides ground for the left rear stop/tail/turn signal lamps
• G403 provides ground for the right rear stop/tail/turn signal lamps

Do you have a factory scan tool (tech2) ? Your best bet , take it to the dealer .

Sep 08, 2017 | Buick Cars & Trucks

Tip

Both Lower Brake Lights Not Working


Check Brake Light Bulbs: All cars have three brake light bulbs that create the brake light illumination affect. If the lower two bulbs fail no lower brake light operation will occur. I know what you're thinking, you might say two brake lights at once? But in reality one brake light went out at a time and you did not notice. People only tend to notice something when they almost run into the back of your car to help persuade them to inform you the brake lights aren't working. Remove either of the brake light bulbs to confirm the bulb is ok or burned. After the bulb has been removed inspect the filament and replace if failed. If the brake light bulbs are ok continue to the next step.

Checking the Turn Signal Switch: Most American cars are designed to have the brake light switch wiring intergraded into the turn signal switch. Because the brake light bulb and the turn signal bulb are one and the same the turn signal switch interrupts the brake light circuit and installs the blinker signal circuit when the turn signal switch is activated. If this switch fails it will not allow the brake light signal through to the brake light wiring. To test for this condition a car repair manual is needed to test incoming and outgoing electrical current. If brake light switch power is present at the turn signal switch but not at any outgoing brake light wires the turn signal switch has probably failed.

on Dec 18, 2009 | Honda Civic Cars & Trucks

1 Answer

Third eye works no rear signal or brake lights


The high mount brake light gets its own signal from the brake light switch (on the brake pedal). Or at least the wire leaving the brake light switch will splice, one wire to the high mount brake light, and the other for the rear brake lights is routed through the turn signal switch, and coordinated there with the turn signal wires to the rear brake lights. The brake wires and turn signal wires share the same wire, and same filament in the bulbs. It is kind of complicated, but brakes applied with no turn signal, brake light wire goes from brake light switch through the turn switch and out to the bulbs. If brakes applied with turning signal, non blinking brake light wire goes from turn switch to rear light, while the turning signal wire will go through the flasher relay, and then to the rear light to cause blinking.

I hope that makes sense. It appears the problem may be in the turn signal switch for both the turn signals and the rear brake lights.

Mar 14, 2015 | 2007 Dodge Ram 3500 Quad Cab Laramie

2 Answers

Replace my brake switch on my 2000 Dodge ram pick up and my brake lights still don't work


Brake switch must be adjusted such that it is depressed with pedal up and released as soon as pedal is slightly depressed.

Feb 26, 2015 | Dodge Cars & Trucks

1 Answer

2009 Impala rear lights not working


Turn Signal Lamps
The LT T/SIG and RT T/SIG fuses located in the underhood fuse block supplies battery positive voltage to the body control module (BCM) for turn signal and hazard lamp operation. When the turn signal switch is place in either the LEFT or RIGHT position, ground from G202 is applied through the turn signal switch signal circuit to the BCM indicating the turn signal request. In response to this signal, the BCM applies a pulsating voltage to the front and rear turn signal lamps supply voltage circuits cycling the lamps ON and OFF. The BCM also sends a message via GMLAN to the instrument panel cluster (IPC) to cycle the turn signal indicator ON and OFF depending on the position of the turn signal switch.
Ground for the turn signal lamps is supplied as follows:
• G101 provides ground for the left front turn signal lamp
• G100 provides ground for the right front turn signal lamp
• G302 provides ground for the left and right rear turn signal lamps

The LT T/SIG and RT T/SIG fuses located in the underhood fuse block are also used by the body control module (BCM) for stop lamp operation.
The brake pedal position sensor is used to sense the action of the driver application of the brake pedal. The body control module (BCM) provides both, a 5-volt reference voltage and low reference to the brake pedal position sensor. The position sensor provides an analog voltage signal back to the BCM that will increase as the brake pedal is applied. When the brake pedal is applied, the BCM will then apply battery voltage to the left and right stop lamp supply voltage circuits and the center high mounted stop lamp (CHMSL) supply voltage circuit illuminating the stop lamps. At the same time the BCM signals the transmission control module (TCM) and the engine control module (ECM) that the brakes are applied. Ground for all stop lamps is provided at G302.
The stop lamps on this vehicle will not illuminate unless the ignition is in the accessory, run, or crank positions. When the ignition is in the OFF position the stop lamps will not illuminate when the brake pedal is applied.

Did you check the fuse's. ? Wouldn't think it's a ground because right an left tail lamp Assembly's use same ground ! Did you check for B+ voltage at the bulb. with a volt meter ? Power is supplied by the BCM . Could be the tail lamp assembly

Jul 19, 2017 | Cars & Trucks

1 Answer

1996 chevrolet C1500. The back left turning signal/brakes light is not working. Front left turning signal works fine.(Faster than usual). The bulb comes on when the headlights are on(steady), but does not...


The bulb for the turn signal/brake light is a double filament bulb. It will come on with the lights on, but should light the second filament, making it brighter, with the brakes applied or turn signal on. It could just be a bad bulb, but one common problem on these years of truck is the rear light circuit board and requires the whole assembly to be replaced. Start by checking the bulb first though.
Hope this helps. Good luck!

Apr 18, 2011 | Chevrolet C1500 Cars & Trucks

1 Answer

Jaguar xj6 break light cancels signal


Replace the turn signal switch. Bad contact inside causing a crossing of the circuits. When the turn signal is applied it should open the brake light circuit allowing for just the signal to work. Doesn't sound like the switch is doing it's job.

May 23, 2010 | 1989 Jaguar Vanden Plas

1 Answer

I have a 2000 Jeep Grand Cherokee. My problem is that when the engine is ON my left brake light WILL NOT light up when the brake is applied... BUT when the engine is OFF, and the brake is applied, the...


the only thing that should separate the right and left brake light is the turn signal switch i think if tis vehicle has seperate light bulbs for the turn signals and brake lights it will not involve the turn signal swicth. either way ther is a voltage loss somewhere. test with a voltmeter at the brake light switch with the engine on and off,if it is vastly deferent go back to the fuze and ceck both sides of that,then back to the ignition switch.you should probably locate a wiring diagram.if the brake light and turn signals are the same bulbs you will need to ceck the turn signal switcth.this is removeable after taking off the plastic cover behind the steering wheel and held on by two scews very small torx head scews.it is referd to as a combination switch.

Feb 19, 2010 | 2000 Jeep Grand Cherokee

1 Answer

Left turn signal stop when I apply brake. Then


i think the bulb is backwards or wiring is crossed

Aug 14, 2009 | 2000 Honda Odyssey

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