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Speaker 1: Let's go over and talk to Charlie Arizona. Await Honda

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Speaker 1: Ridge line and see what's going on here. Charlie. Welcome

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Speaker 1: to the car doctor, sir. How can I help?

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Speaker 2: Thank you? Ron. I've got a two thousand and eight

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Speaker 2: hundre ridgeline and about a year ago I stopped to

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Speaker 2: mail something about five minutes, went back in the car.

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Speaker 2: The a seed blower. Fam nothing comes on in just

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Speaker 2: a few minutes. All of a sudden, it just come

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Speaker 2: on on its own. Ron, Okay, it did it twice.

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Speaker 2: I took it home, cleaned all the relays, best to

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Speaker 2: make sure nothing was loose and stuff like that under

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Speaker 2: the hood. A year went by. My wife's been driving.

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Speaker 2: It's been working perfect. We went to take a trip

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Speaker 2: a week ago. We were up in Phoenix. I went in,

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Speaker 2: same thing, got gas, come back out nothing. Wait the road.

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Speaker 1: You gotta stop getting gas, Charlie, you know, I mean, geez,

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Speaker 1: can the diagnosis be any simpler? You know, if you

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Speaker 1: don't shut the car off, you won't have this problem?

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Speaker 1: And I mean, how we did that? How important is

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Speaker 1: air conditioning in Arizona? I mean not really, not.

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Speaker 2: Really when it's ninety five or a hundred above it.

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Speaker 2: It really isn't important, and you're looking at you like

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Speaker 2: you don't really want to roll the window down.

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Speaker 1: So it's got to be cool. Sometime two o'clock in

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Speaker 1: the morning somehow someway. I mean, it's gotta you know,

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Speaker 1: when it rains.

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Speaker 2: Can It happened, but three or four times that day

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Speaker 2: run that three four times. That's tough for gas. That

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Speaker 2: did it. And then the next morning we were up

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Speaker 2: in like Nebraska. We stopped and uh, it worked fine

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Speaker 2: in the morning, and want to put gas on. We're

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Speaker 2: leaving the hotel. Everything's perfect, going down the road, driving

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Speaker 2: an hour or two hours, get gassed. Same thing happened,

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Speaker 2: and after that we didn't shut the car off till

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Speaker 2: we got to Minnesota. But she's been driving it for

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Speaker 2: two three days and went to Canada with it. I'm

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Speaker 2: back in Arizona hasn't had one issue.

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Speaker 1: So maybe it's you, Charlie. I'm starting I'm starting to

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Speaker 1: think it's because I notice you're the common denominator.

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Speaker 2: I know that, and I hate to tell the story

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Speaker 2: like this. And there's one other thing I did about

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Speaker 2: five years ago, around six years ago, before COVID, she

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Speaker 2: had lost a key for the car. I had a

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Speaker 2: friend make one or a person we knew make one

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Speaker 2: and it's work fine. He programmed it in. But that

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Speaker 2: was five six years ago. Never have him.

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Speaker 1: Yeah, it's not it's not key related. Not okay, Yeah,

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Speaker 1: I don't see it being key related. Key issues are

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Speaker 1: gonna be gonna tell me it's not gonna start. So

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Speaker 1: but I'll tell you what, Charlie. Let me let me

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Speaker 1: pull over, take this pause, and when I come back,

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Speaker 1: we'll chat a little bit more. Don't go anywhere. If

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Speaker 1: the phone hangs up, I'm gonna blame you. So I'm

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Speaker 1: running any in the car. Doctor. I'll be back right

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Speaker 1: after this. Charlie. You're there, Charlie, yep. Your your luck's changing.

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Speaker 1: Look at that. Okay, so let's talk. Let's talk about

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Speaker 1: this now. I'll kid in the side. When when it

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Speaker 1: when it goes into this failure where the blower doesn't operate? Yes,

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Speaker 1: is there anything else that doesn't work in the car?

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Speaker 2: No, the only go ahead, the only thing that go ahead.

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Speaker 1: I was gonna say, do you know if the AC

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Speaker 1: compressor comes on?

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Speaker 2: I don't believe so, because I was going to go

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Speaker 2: there ron when I when it does come back on.

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Speaker 2: We didn't touch nothing. That the AC was on. The

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Speaker 2: A C was not on. So we go down the road.

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Speaker 2: The blower fan had come on. I shut the A

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Speaker 2: C off, turn it back on nice cold there so

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Speaker 2: that the compressor was shutting off too with the blower fan. Okay,

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Speaker 2: otherwise nothing else. I mean, I you know that. I

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Speaker 2: know that wasn't working. There's just no blower fan, no AC,

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Speaker 2: no nothing.

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Speaker 1: Have you Have you done any testing with the power transistor,

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Speaker 1: the blower power transistor?

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Speaker 2: No? Okay, I wouldn't know how to. I was gonna.

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Speaker 2: I thought about, well, change in the blower motor.

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Speaker 1: Now, well, okay, the blower motor is pretty simple on

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Speaker 1: this car, and you can do Listen, you can test

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Speaker 1: up to a point, right, I mean test within your

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Speaker 1: safe and comfortable limits. I always say right. So there's

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Speaker 1: a white blue that comes out of the relay that

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Speaker 1: goes to the blower. So they've they're applying constant hot

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Speaker 1: constant twelve vaults to the blower on one leg. The

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Speaker 1: blue black wire right is ground control, and that blue

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Speaker 1: black goes to a power transistor. So what they're looking

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Speaker 1: for is they're looking to see continuity across power down

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Speaker 1: blower motor boom ground blower motor comes on and the

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Speaker 1: duty cycle very ground if we want to think of

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Speaker 1: it like that, to operate the blower at different speed.

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Speaker 1: All right, but there's more that goes on here. If

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Speaker 1: the power transistor doesn't report or can't report the ground

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Speaker 1: leg properly back to the control head, the control head

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Speaker 1: turns off the AC compressor and there's a bunch of

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Speaker 1: other functions that happen because that power transistor is in

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Speaker 1: direct contact with the control head. You know, you're driving

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Speaker 1: a giant computer. Always remember that. Right, everybody's talking to everybody,

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Speaker 1: and it's like the relatives at Christmas. Who's getting along

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Speaker 1: and who isn't okay? So you know, we want to

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Speaker 1: attack this. Let's let's let's let's eliminate the simple first.

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Speaker 1: If you want to, you know, use an incandescent towelve

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Speaker 1: vault test light, and I'm very cautious how I tell

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Speaker 1: people to use one of those, Or if you want

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Speaker 1: to get your hands on a logic probe, which is

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Speaker 1: a little safer and just verified. Do you have and

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Speaker 1: they make logic probes with a vault meter built in?

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Speaker 1: Do you have twelve vaults on that white blue when

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Speaker 1: the system doesn't work all right? You know, if you do,

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Speaker 1: then the relays closed. The ground is good. Why don't

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Speaker 1: we now, if we don't have power on that white blue,

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Speaker 1: why don't we all right? And is it possible that

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Speaker 1: we don't have power on that white blue because the

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Speaker 1: PCM shut it down, because it's not seeing response from

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Speaker 1: the heater control head, because the power transistor's bid it all?

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Speaker 1: It all comes around, all right. There is a test

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Speaker 1: you can do if you're brave and you can and

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Speaker 1: you can follow procedure where they want you to cut

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Speaker 1: that blue black the ground leg of the blower motor

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Speaker 1: and using a twelve vault incandescent bulb test light too hot,

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Speaker 1: so the point at end of the test light becomes ground.

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Speaker 1: Right if you apply that to the blue black since

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Speaker 1: the blower motor, that becomes the ground. If the blower

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Speaker 1: motor operates, we know the blower motor is good, all right. Now,

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Speaker 1: if we can prove the blower motor is good, you're

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Speaker 1: kind of wheeling down to the point where it's the

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Speaker 1: power transistor. The power transistor is center of the dashboard,

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Speaker 1: just to the left of the blowercase. It's got a blue, black, blue, red, blue, yellow,

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Speaker 1: and a black wire. It's a four pin resistor and

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Speaker 1: they're they're common to fail. Now, if yeah, they're they're

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Speaker 1: very common to fail, I would I would be focusing

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Speaker 1: on that. I would find a repair shop if you're

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Speaker 1: not comfortable doing any of this testing, to let them

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Speaker 1: focus on it and let them.

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Speaker 2: Follow up on it.

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Speaker 1: But it wouldn't it wouldn't be the most absurd thing

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Speaker 1: to find a bad one of those, all right, if

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Speaker 1: you can.

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Speaker 2: Get go ahead when we went it run for hours,

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Speaker 2: I mean, ever an issue once it's gone, and it's

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Speaker 2: never been an issue with her. And that's why by

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Speaker 2: testing this stuff what he had it in your shop,

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Speaker 2: is there some way of locating this problem when there's

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Speaker 2: not a problem. I know that's a silly question.

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Speaker 1: Yeah, I mean listen, I can also, you know, I

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Speaker 1: have the ability. I have certain things I can I

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Speaker 1: can freeze components, I can heat components, I can vibration

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Speaker 1: test components. But you know, like Spock's at the Captain

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Speaker 1: Kirk and the Voyage Home, sometimes you got to take

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Speaker 1: your best guess, right, this is my best guest, Captain.

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Speaker 1: I did that this week. I can't think of the car.

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Speaker 1: I'll tell you about it when we come back if

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Speaker 1: you're still listening, but