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Old 03-16-2014, 12:55 AM   #5021
cadillacdude1975
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codes are as follows:

23 Idle Switch
24 Throttle Valve Switch

that is why it is dying over and over.

you need a digital multimeter and then you can trouble shoot the problem. i can post detailed schematics from AllData Pro, but i need to know what year the truck is, 2 or 4wd, auto or man blah blah
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Old 03-16-2014, 12:57 AM   #5022
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Scored a set of in-channel rain guards. Not sure which truck get these though. Might flip a coin.
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Old 03-16-2014, 02:03 AM   #5023
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Quote:
Originally Posted by D21OnSwitches View Post
Took the passenger seat out and got some diagnostic codes even though I don't have a check engine light. Anyway my z24i is turning over,starting for about 3-5 seconds barely,than stalling.For codes it threw off 2 green 3 red And 2 green 4 red.Its gotta be something with the fuel system or a vacuum leak.All this jap emission stuff I'm pretty unfamilliar with lol

Quote:
Originally Posted by cadillacdude1975 View Post
codes are as follows:

23 Idle Switch
24 Throttle Valve Switch

that is why it is dying over and over.

you need a digital multimeter and then you can trouble shoot the problem. i can post detailed schematics from AllData Pro, but i need to know what year the truck is, 2 or 4wd, auto or man blah blah
code 24 may be different for that type of ecu, I updated the thread in the engine/drivetrain section.
Code 24 is Neutral & Clutch/Inhibitor switch

Might be the exact same thing for all I know but thought I'd chime in anyways
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Old 03-16-2014, 03:22 AM   #5024
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Got the battery charged back up. Picked up a couple of 10mm yoga mats from Wally World today. Tomorrow I'm taking out my leather buckets and pulling up the carpet. I'm putting down some butyl-based mat, and then yoga matting the floor, doors, and roof. Going to install a 4 channel amp to drive my Polk 6.5's and 5.25's and run wiring when it's all out. Stock bench seat is going back in, my drivers side bolster split in 2 places with the neon seats. So far I've used this butyl stuff on the roof and doors with great success. Hopefully I have enough to get the floor done now.

Hopefully over Spring Break I'll get my Belltech drop spindles, 4x4 calipers and slotted rotors thrown on, but who knows.
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Old 03-16-2014, 10:40 AM   #5025
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@Gordo: Looking forward to some pictures and a report on how the Yoga Mat install went. Are you adding it as a sound deadener?
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Old 03-16-2014, 12:03 PM   #5026
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this is also for the V6 early models as well.

1987 Nissan-Datsun Truck D21 Hardbody 2WD L4-2389cc 2.4L SOHC (Z24i)


Vehicle A L L Diagnostic Trouble Codes ( DTC ) Testing and Inspection Diagnostic Trouble Code Descriptions
  • Diagnostic Trouble Code Descriptions

The self-diagnostic system is used to diagnosis malfunctions in major sensors and actuators of the ECCS system. There are five modes in the self-diagnostic system:

  1. Mode I (Mixture ratio feedback control monitor A): During a closed loop condition, the green inspection lamp turns On when lean condition is present and goes Off when a rich condition is present. During a open loop condition, the green inspection lamp stays Off.
  2. Mode II (Mixture ratio feedback control monitor B): During a closed loop condition, the red inspection lamp turns On and Off simultaneously with the green inspection lamp when mixture ratio is controlled within a predetermined value. During a open loop condition, the red inspection lamp stays Off. The green inspection lamp function is the same as Mode I.
  3. Mode III (Self-diagnosis): This mode functions the same as previous models.
  4. Mode IV (Switches ON/OFF diagnosis): During this mode, the inspection lamps monitor switch ON/OFF condition of the throttle valve switch, starter switch and vehicle speed sensor.
  5. Mode V (Real time diagnosis): If a malfunction is present during a driving test, the inspection lamps will display the malfunction condition immediately.



SWITCHING MODES


  1. Place ignition switch in On position.
  2. On all models exc. Pathfinder, Pickup and Van, proceed as follows:
    1. Turn diagnostic mode selector on ECU fully clockwise and wait until inspection lamps flash, Fig. 47. Number of flashes displayed indicates corresponding Mode.
    2. Note number of flashes, then immediately turn diagnostic mode selector fully counterclockwise.
  1. On Pathfinder, Pickup & Van, proceed as follows:
    1. Turn diagnostic mode selector on ECU to the ON position and wait until inspection lamps flash.
    2. Note number of flashes, then immediately turn diagnostic mode selector to the OFF position.
  1. On all models, when ignition switch is turned Off during diagnosis, in each Mode, and then turned back on again after power to the ECU has dropped off completely, diagnosis will automatically return to Mode I.
  2. Stored memory will be erased if battery terminal is disconnected or after selecting Mode III or Mode IV. If diagnostic mode selector is kept turned fully clockwise, it will continue to change the Mode in sequential order and memory will not be erased.



MODES I & II

In these Modes, the control unit monitors Air/Fuel ratio and Air/Fuel ratio feedback coefficient. Refer to charts, Figs. 159 and 160, for display indications.

MODE III

The ECU constantly monitors the function of various sensors and actuators, regardless of ignition key position. If a malfunction is present, it is stored in the ECU and can be retrieved from memory by turning on diagnostic mode selector, located on the side of the ECU. When activated, malfunction is indicated by a series of flashing red and green light emitting diodes, also located on the ECU. When displaying malfunction codes, then code number can be determined by counting the number of light pulses. The red light represents the first digit of the code, while the green light represents the second digit of the code. For example, a Code 12 would be displayed as one flash of the red light, followed by two flashes of the green light.
Malfunction codes can be translated using the following decoding chart:
  1. Code 11 -- Crank angle sensor circuit malfunction.
  2. Code 12 -- Air flow meter circuit malfunction.
  3. Code 13 -- 200SX w/VG30E engine, Pathfinder & Pickup w/VG30i engine, Maxima & 300ZX. Cylinder head temperature sensor circuit malfunction.
  4. Code 13 -- 200SX w/CA20E engine, Pathfinder & Pickup w/Z24i engine, Pulsar, Sentra, Stanza, Stanza Wagon & Van. Water temperature sensor circuit malfunction.
  5. Code 21 -- Ignition signal missing in primary coil.
  6. Code 22 -- Maxima, Stanza, Stanza Wagon, 200SX & 300ZX. Fuel pump circuit malfunction.
  7. Code 22 -- Pulsar & Sentra w/E16i engine. Idle speed control slips out.
  8. Code 33 -- Pulsar & Sentra w/E16i engine, Pathfinder, Pickup & Van. Exhaust gas sensor circuit malfunction.
  9. Code 34 -- Pulsar w/CA16DE engine, Maxima & 300ZX. Detonation sensor circuit malfunction.
  10. Code 41 -- 200SX w/VG30E engine, Maxima & 300ZX. Fuel temperature sensor circuit malfunction.
  11. Code 41 -- Pulsar & Sentra w/E16i engine, 200SX w/CA20E engine, Stanza & Stanza Wagon. Air temperature sensor circuit malfunction.
  12. Code 42 -- Pulsar & Sentra w/E16i engine, Pathfinder, Pickup & Van. Throttle sensor circuit malfunction.
  13. Code 43 -- Pulsar & Sentra w/E16i engine. Mixture ratio feedback control slips out.
  14. Code 43 -- Pathfinder, Pickup & Van. Injector circuit malfunction.
  15. Code 44 -- All monitored systems satisfactory.
The diagnostic code retained in the ECU will automatically be erased after starter is operated for 50 times.


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Old 03-16-2014, 12:08 PM   #5027
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from what im seeing, the older ECMs did not go into as much detail. when the KA4 was introduced, the ECMs got a little better. then when they all went OBDII in 96,it didnt matter. OBDII was far superior.

at any rate, im done hijacking the what have you done thread. sorry lol
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Old 03-16-2014, 12:36 PM   #5028
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I was reading the email about the code post and said to my self I bet it was Cadillac that posted it and Baam my thought was right.
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Old 03-16-2014, 01:49 PM   #5029
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pulled my coil wire and cranked it. wish i had pulled the fuel pump fuse too
light didnt' go out
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Old 03-16-2014, 02:54 PM   #5030
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Quote:
Originally Posted by jp2code View Post
@Gordo: Looking forward to some pictures and a report on how the Yoga Mat install went. Are you adding it as a sound deadener?
That's the plan. I have a product similar to Dynamat to cover the metal vibrations, then this as a sound wave deadener. I've seen several people use it on the net, I figured I"d try it. From what I've gathered, the closed-cell foam people buy as a deadener is literally the same material. Except it's usually 11mm thick, these mats are 10mm and are bight blue not black lol.
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