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Peugeot 206 1.4 HDI 2003 - the installation diagram does not start

LEŚNY 9111 13
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  • #1 16727874
    LEŚNY
    Level 17  
    You need a diagram of the electrical installation of the engine equipment with a diagram of wires from the shaft speed sensor.

    best regards
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  • #2 16727946
    manisław
    Level 12  
    Maybe it will help
    Attachments:
    • PEUGEOT 206 1,4 HDI 2.pdf (288.44 KB) You must be logged in to download this attachment.
    • PEUGEOT 206 1,4 HDI 3.pdf (17.23 KB) You must be logged in to download this attachment.
    • PEUGEOT 206 1,4 HDI 1.pdf (261.93 KB) You must be logged in to download this attachment.
  • #3 16728996
    LEŚNY
    Level 17  
    Thank you for your quick reaction. It's a pity that there are no colors of the wires, but the beam goes straight to the computer and I was able to see it on foot.


    Best regards,
    Peter
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  • #5 16729977
    master1991
    Level 9  
    the car turns and does not start? Check the meter, I had 1.4 hdi in fiesta, February in the meter was damaged, after soldering ok, but in a few months the same and it had to be replaced
  • #6 16734581
    LEŚNY
    Level 17  
    Not yet. Tomorrow I connect the oscilloscope to the output of the rotation sensor, I want to check the pulses.
    I'll let you know.
  • #7 16736542
    LEŚNY
    Level 17  
    Hello. The mileage from the sensor is while the computer gives the error of the crankshaft rotation sensor. There are no other errors. The car is burning on the poster. The pressure on the rail while turning the starter shows 350 bar. After loosening the supply pipes, the fuel flows. The car does not smoke. It seems to me that there is no injection control. I connected the H4 bulb for one injection and it does not light. So no current flows on the injection windings. Photo of pulses from the shaft rotation sensor in the photo. Inquiry to automotive professionals what else can be checked? Are these symptoms of a damaged ECU?
    Attachments:
    • Peugeot 206 1.4 HDI 2003 - the installation diagram does not start DSC_1490.JPG (284.16 KB) You must be logged in to download this attachment.
  • #8 16738681
    Jamrug
    Level 17  
    Have you walked the wire passages from the shaft sensor to the ECU? What exactly error code is it generating?
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  • #9 16739409
    piotrekwoj1
    Level 43  
    LEŚNY wrote:
    Hello. The mileage from the sensor is while the computer gives the error of the crankshaft rotation sensor.

    Where did you check this mileage at the sensor or at the ecu. In Peugeot, the colors of the cables do not give anything, there is a numerical marking.
  • #10 16740464
    LEŚNY
    Level 17  
    Mileage on ECU cables and sensor replaced. Error P0337 an incorrect signal from the crankshaft speed sensor.
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  • #12 16740638
    szymitsu21
    VIP Meritorious for electroda.pl  
    kortyleski wrote:
    Timing check.



    I would like to add that it is worth unscrewing the shaft wheel, because if I remember correctly, I had a topic with a wedge.
  • #13 16740723
    ALIBABA I
    Level 33  
    Hello, I had the same symptom in Peugeot 307 1.4 hdi suddenly went out, turned off normally immo, zero reaction on the stop type meter went out and what turned out in front of the radiator, there are 2 relays in the longitudinal fan box, one had a burned-out wire and a rotten cube replacement relay, making connectors and the car fired, it works for about a year no problem strange what has a smoking fan? I haven't figured it out, since it's 1.4 HDI, the installation should be compatible, check if they are there. are

    Oh, and there was probably something about the shaft rotation
  • #14 16749517
    LEŚNY
    Level 17  
    Hello.

    The timing has shifted. After replacement and re-setting, the car started.
    I thank my colleagues for their help.
    :D
    Best regards,
    Peter
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Topic summary

✨ The discussion revolves around troubleshooting a 2003 Peugeot 206 1.4 HDI that fails to start. The user requests an electrical installation diagram for the engine, specifically for the wiring from the crankshaft speed sensor. Responses include suggestions to check the wiring from the sensor to the ECU, verify error codes, and inspect the timing. The user reports an error code P0337 indicating an incorrect signal from the crankshaft speed sensor. After further diagnostics, including checking the timing and replacing components, the issue is resolved, and the car starts successfully.
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FAQ

TL;DR: Peugeot 206 1.4 HDI crank–no‑start with P0337 can show 350 bar rail pressure yet “no injection control.” Scope the crank sensor, verify wiring, then check timing. [Elektroda, LEŚNY, post #16736542]

Why it matters: This FAQ helps DIYers and techs quickly isolate crank/no-start faults, especially P0337-related issues on PSA 1.4 HDI engines.

Quick Facts

What does code P0337 mean on a Peugeot 206 1.4 HDI?

P0337 indicates the ECU sees an incorrect or weak signal from the crankshaft speed sensor. On the thread car, the code was present after the sensor was replaced and wiring continuity was confirmed, pointing diagnosis toward signal quality and timing rather than simple open circuit faults. [Elektroda, LEŚNY, post #16740464]

Can I have good rail pressure but still no start?

Yes. The thread shows about 350 bar during cranking while injectors were not commanded. That combination suggests the ECU withholds injection because it cannot trust the crank signal or timing correlation. “No injection control” was the symptom despite fuel supply. [Elektroda, LEŚNY, post #16736542]

How do I check the crankshaft sensor signal with basic tools?

Use an oscilloscope at the sensor or ECU pins to view pulse trains while cranking. Confirm consistent amplitude and tooth pattern. The poster captured usable pulses yet still had a fault, which directed attention to timing alignment and correlation checks. [Elektroda, LEŚNY, post #16736542]

Where should I probe the wiring—at the sensor or the ECU?

Probe at both ends. Peugeot looms use numerical markings rather than relying on colors, so identify wires by numbers at the ECU connector. This ensures you verify the exact signal and return paths the ECU sees. [Elektroda, piotrekwoj1, post #16739409]

Could incorrect timing cause a P0337 and no start?

Yes. The documented fix was correcting shifted timing; after replacement and re‑setting, the engine started immediately. Loss of phase correlation can make the ECU suppress injection even with pressure present. [Elektroda, LEŚNY, post #16749517]

How do I check for a slipped crank pulley key (wedge)?

Remove the crank pulley and inspect the keyway and key. A damaged or sheared key can offset timing marks while the belt looks aligned. “I had a topic with a wedge” highlights this failure mode on similar engines. [Elektroda, szymitsu21, post #16740638]

Why don’t injectors click or light a test bulb during crank?

If the ECU flags a crank signal fault, it can inhibit injector drive. In the case, an H4 bulb on an injector line did not light, confirming no current to the solenoid despite fuel pressure. [Elektroda, LEŚNY, post #16736542]

The engine starts on spray but dies—what does that indicate?

Starting on starting fluid (“poster”) shows base compression and mechanical timing are close enough to fire, but the ECU still withholds fuel due to signal or correlation errors. Focus on the crank circuit and timing sync. [Elektroda, LEŚNY, post #16736542]

Could radiator-area relays stop the car from starting?

Yes, an edge case showed two relays in the fan-box near the radiator. A burnt wire and corroded connector prevented starting; repairing the connector and relay restored normal operation. [Elektroda, ALIBABA I, post #16740723]

Can a faulty instrument cluster really block starting?

It can on related PSA/Ford 1.4 HDI implementations. One user’s Fiesta 1.4 HDI needed cluster repair/replacement after repeated solder failures caused crank-but-no-start. Consider this if common causes test good. [Elektroda, master1991, post #16729977]

What quick 3-step plan should I follow before swapping parts?

  1. Scope crank sensor at ECU pins; confirm clean pulses while cranking.
  2. Verify rail pressure during crank; note that ~350 bar may still not start.
  3. Check injector command with a test bulb; absence suggests ECU inhibition. “Scope, pressure, command” narrows the fault fast. [Elektroda, LEŚNY, post #16736542]

Is ECU failure likely here?

Less likely than timing or signal issues in this thread. With pulses present and P0337 logged, members advised mechanical timing checks first; the final fix confirmed timing shift, not an ECU fault. [Elektroda, LEŚNY, post #16749517]

Should I rely on wire colors during diagnostics?

No. Peugeot uses numerical identifiers on harness conductors. Trace by number from sensor to ECU for accurate continuity and signal verification. This avoids color-code misreads after loom repairs. [Elektroda, piotrekwoj1, post #16739409]

What was the final outcome in the thread case?

The owner corrected shifted timing, re‑set the timing, and the car started normally. This closed the case and validated the advice to inspect timing early in P0337 no-starts. [Elektroda, LEŚNY, post #16749517]
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