1989 Toyota Camry no spark - Toyota Nation Forum : Toyota Car and Truck Forums
Camry 1st & 2nd Gen (1983-1986) & (1987-1991) Toyota Camry Discussion for years 1983-1986 & 1987-1991. Topics of discussion range from fuel economy, safety, modifications, performance all involving America's favorite family car, the Toyota Camry.

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post #1 of 58 Old 04-08-2019, 11:55 PM Thread Starter
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I have a 1989 Toyota Camry 3SFE engine with a crank but no start issue - no spark (this happened after I washed my engine bay btw - used simple green type liquid and water hose)

• No spark
• I tested the dist. and its good (99% sure)
• I tested the plug wires and they were real low in resistance - so replaced (came with new dist. cap)
• Tested a set of known operating spark plugs onto my car - didn't change anything
• Changed the igniter (for free @ junk.y,got 2)
• Battery is good like new
• Had the starter tested - good/passed
• I have fuel pressure

Now back to the distributor, these are the results of testing:

• Primary resistance of ignition coil = .6 ohms (not 100% sure if this is out of spec or ok, for 3SFE engine spec is .38 - .46 ohms)
• Secondary coil resistance = 8.93k ohms (spec for 3SFE is 7.7 - 10.4k ohms)
• Ignition coil + terminal to ground = is 0v, 40.7 ohms, 40 continuity
• Harness connector for the top terminal of the distributor is 11.92v (black/orange wire, ign. on)
• Top terminal on distributor = .01v both wires
• .07v for all wires on harness connector for the right terminal on distributor (ign on)
• Resistance of pick up coil is in spec (140-180ohms)
• Power for igniter harness connector = 11.93v (bla/ora wire, ign on) & 5.06v red/whi wire
• When installing the distributor housing I aligned the line on the housing with the cutout on the bearing cap and set the crank to TDC by lining up the notch on the pulley to 0

I've been going through alot of forums and I've seen some potential causes but not sure of, such as: EFI main relay, ECU, ignition switch, ignition fuse




Search terms: 1987 1988 1990 1991 1987-1991 87 88 89 90 91 87-91 cranks washed engine now won't start

Last edited by Dan Emet; 04-09-2019 at 12:38 AM.
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post #2 of 58 Old 04-09-2019, 11:18 AM
3s-gte in a Camry?!?
 
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Do you get a check-engine light with the key on, engine off? (should be yes - just verifying ECU is on/working)

This problem is normally a cracked ignition coil - it may electrically check ok and still arc internally. Visually check/replace.

-Charlie

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post #3 of 58 Old 04-09-2019, 12:14 PM Thread Starter
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No actually I do not get a check engine light on, all the other lights work properly, hmm... What can this be?
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post #4 of 58 Old 04-09-2019, 12:35 PM
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Check the EFI relay pins for corrosion and/or discoloration. Swap in a different relay if possible.

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1990 Camry LE V6 Anniversary Edition 5-Speed
1990 Camry LE V6 WAGON
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post #5 of 58 Old 04-09-2019, 12:40 PM Thread Starter
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I tested the EFI relay it is properly functioning - in spec. Side note: the AC and fan relays weren't good but pretty sure it has nothing to do with this

Last edited by Dan Emet; 04-09-2019 at 01:39 PM.
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post #6 of 58 Old 04-09-2019, 12:47 PM
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Did you verify power at the output pin of the relay?

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post #7 of 58 Old 04-09-2019, 12:53 PM Thread Starter
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I performed a full test on the relay - its good, are you referring to the fuse box itself when you say "output pin"?
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post #8 of 58 Old 04-09-2019, 12:56 PM
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Quote:
Originally Posted by Dan Emet View Post
I performed a full test on the relay - its good, are you referring to the fuse box itself when you say "output pin"?
Bench testing the relay is not the same as testing if the relay is actually outputting power, put a test light on the output pin bottom of the fuse box. Or swap the relay with one from the LH kick panel.

Always verify don't guess.

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post #9 of 58 Old 04-09-2019, 01:39 PM Thread Starter
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Okay, so I checked the fuse box pins that the relays go into with a test light and it didn't light up for ALL of the relay spots (they had a gooey film/cake on the pins). Side note: the 7.5A fuse and the two 15A fuses for the "Heads" didn't light up at the pins either
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post #10 of 58 Old 04-09-2019, 01:54 PM
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Sounds like something got wet and needs to dry out?


I would pull the ignition coil out. It sounds like it'd be cracked (very common) and damp.


Also, pay attention when white90dx posts, he is extremely knowledgeable,


If you need to move the car point a hair dryer into the distributor and see if that will dry it out enough to start the engine.

Last edited by 66conv6; 04-09-2019 at 01:57 PM.
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post #11 of 58 Old 04-09-2019, 02:19 PM Thread Starter
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Ok so is it my ECU because my check engine light doesn't turn on when ignition is on? Or is it my fuse box? <If it is can I clean it somehow and dry it out or would I need to cut the fuse box part of the wiring harness out and resaulder each wire?

Last edited by Dan Emet; 04-09-2019 at 03:33 PM.
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post #12 of 58 Old 04-09-2019, 03:31 PM Thread Starter
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ACTUALLY the pins on the fuse box where the relays connect DO have signal I didn't test it right the first time= #4 pin location on the EFI lights up, bottom right pin location for the head light relay is the only one that DOESN'T light, top left pin location for main relay lights up only.

Again the two 15A fuses are good but the pins for their location are no good - headlights work. And the 7.5A "charge" fuse pins aren't good either.
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post #13 of 58 Old 04-09-2019, 09:23 PM
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Quote:
Originally Posted by Dan Emet View Post
Again the two 15A fuses are good but the pins for their location are no good - headlights work. And the 7.5A "charge" fuse pins aren't good either.
No good in what way?

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post #14 of 58 Old 04-09-2019, 09:42 PM Thread Starter
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Using a test light onto the pins for those fuses - it doesn't light
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post #15 of 58 Old 04-09-2019, 10:06 PM
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Have you checked the 7.5 amp gauge fuse? The CEL gets power from that, and a signal from the ECU. Check your PM.

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