I used a obd1on my 95 buick reg and it came up with 3 codes 1.
I used a obd1 and it came up with 3 codes 1. p1361 electronic spark timing signal not switching after enable. 2.p0321 ignition/dist speed input enguine circuit range performance 3.p1670 qdm 4 failure so im just tryiing to figure out what this mean's and how i can fix it, any idea's?
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1-Manufacturer Specified Code (Honda)
3-Ignition System, Misfire
6-Component or Sub-System Section
1-Component or Sub-System Section
P1361 is: Intermittent Interruption In TDC 1 Sensor Circuit.
Check out the TDC sensor, connector 124 (grey and on the distributor) check power and grounds. It's missing a signal from the TDC sensor in the distributor and causing a misfire.
You need to scan the computer for trouble codes. If the light was on, there must be codes set. On a '95 Buick, it would be OBD-1, On Board Diagnostics-first generation ('96 and later is all OBD-2). The diagnostic connectors are different for OBD1 and OBD2, but in '94 and '95, GM was on some models using a "hybrid" diagnostic link connector. You will just have to find the right diagnostic connector to get your codes. The guys at autozone or a national parts store who do engine scans for free may help you figure it out. If it is a straight forward OBD 1 connector, a cheap code reader could scan for trouble codes. For the OBD1, you can also use a jumper wire between terminals A & B of the diagnostic link connector. Turn key to on, and two digit codes will begin to flash on the check engine light. Code 12, for instance, would be a flash, pause, two short flashes, and longer pause before the next code appears. Code 12 by the way, just means that the computer is in diagnostic mode-after that any set codes will appear or be flashed. Code 55 may also be flashed-this code means the end of codes that are set.
This is code 12 and it means "System Normal"
Here is the complete list of fault codes for your Buick
GM common codes for OBD1 (for vehicles made before 1995) 12 System normal 13 oxygen sensor circuit open 14 coolant sensor high resistance or shorted 15 coolant sensor circuit low or open 16 direct ignition system (DIS) fault in circuit 17 cam position sensor fault 18 crank or cam sensor error 19 crank sensor circuit fault 21 tps sensor out of range 22 tps sensor signal voltage low 23 intake air temp sensor out of range, low 24 vehicle speed (vss) sensor circuit fault 25 air temp sensor sensor out of range, high 26 quad-driver module (computer) circuit #1 fault 27 quad-driver module (computer) 2nd gear circuit 28 quad-driver module (computer) circuit #2 fault 29 quad driver module (computer) 4th gear circuit 31 cam position sensor fault 32 egr circuit fault 33 map sensor signal out of range, high 34 map sensor signal out of range, low 35 idle air control sensor circuit fault 36 ignition system circuit error 38 brake input circuit fault 39 clutch input circuit fault 41 cam sensor circuit fault, igntion control circuit fault 42 electronic spark timing (EST) circuit grounded 43 knock sensor or electronic spark control circuit fault 44 oxygen sensor lean exhaust 45 oxygen sensor rich exhaust 46 pass-key II circuit or ps.pressure switch circuit fault 47 pcm-bcm data circuit 48 misfire diagnosis 51 calibration error, mem-cal, ecm or eeprom failure 52 engine oil temperature circuit, low temperature indicated 53 battery voltage error or egr or pass-key II circuit 54 egr system failure or fuel pump circuit low voltage 55 a/d converter error or pcm not grounded or lean fuel or frounded reference voltage 56 quad-driver module #2 circuit 57 boost control problem 58 vehicle anti-theft system fuel enable circuit 61 a/c system performance or degraded oxygen sensor signal 62 engine oil temperature high temperature indicated 63 oxygen sensor right side circuit open or map sensor out of range 64 oxygen sensor right side lean exhaust indicated 65 oxygen sensor right side rich exhaust indicated 66 a/c pressure sensor circuit low pressure 67 a/c pressure sensor circuit or a/c clutch circuit failure 68 a/c compressor relay circuit failure 69 a/c clutch circuit head pressure high 70 a/c refrigerant pressure circuit high 71 a/c evaporator temperature sensor circuit low 72 gear selector switch circuit 73 a/c evaporator temperature circuit high 75 digital egr #1 solenoid error 76 digital egr #2 solenoid error 77 digital egr #3 solenoid error 79 vehicle speed sensor (vss) circuit signal high 80 vehicle speed sensor (vss) circuit signal low 81 brake input circuit fault 82 ignition control (IC) 3X signal error 85 prom error 86 analog/digital ecm error 87 eeprom error 99 power management
There is a connector but it is not like the connector used in the newer 1996 OBD2 cars, your year uses OBD1, here is how you check for codes in this car.
Acura OBD1 Codes Retrieval
Acura vehicles 1986-95 obd1 code retrieval
There are a few different ways to retrieve the codes for "check engine light" for Acura vehicles. One method is to use a led light (sometimes 2 led lights) on the computer or controller box itself. If it has 2 led lights, the color is red and amber. The red is used for flashing the codes whereas the amber is used for adjustment. If you have only a single led light indicator, then that is used for flashing the code.
The controller box can be found by lifting the carpet of the passenger side front foot well or floorboard. You can see the led lights without removing the controller. On other models, you can find the controller under the driver or passenger front seat.
The second way to get the code is using a jumper wire on the diagnostic connector located on the kick panel at the front passenger side. You then watch the codes being flashed at the dash panel after you turn the key on. To read the code being flashed is easy. Example: Code 23 is 2 long flashes followed by 3 short flashes. A longer pause separates the next code that follows.
Here are Acura vehicles 1986-95 general codes:
Code 0 Electronic control unit (ecu) Code 1 02 (oxygen) sensor Code 3 and 5 map sensor Code 4 Crank angle sensor Code 6 Coolant temperature sensor Code 7 Throttle angle sensor Code 8 Crank angle sensor (TDC) Code 9 Crank angle sensor (CLY) Code 10 Intake air temperature sensor Code 12 EGR system fault Code 13 Atmospheric pressure sensor Code 14 Electronic air control valve Code 15 Ignition output signal Code 16 Fuel injector fault Code 17 Vehicle speed sensor Code 21 Spool solenoid valve Code 22 Valve timing oil pressure switch fault Code 23 Knock sensor Code 41 Oxygen sensor heater fault Code 43 Fuel supply system
P0321 Spark Reference Circuit. The spark reference signal is used by the PCM to improve ignition timing accuracy during crank and at engine speeds of up to 1,200 RPM. The spark reference circuit allows the use of ignition control mode below 400 RPM, eliminating the need to utilize module mode during start-up, and also allows the PCM to calculate true crankshaft position in 1/6 the time that use of the fuel control reference signal would permit.
During normal operation, the PCM uses the spark reference signal to control ignition timing until the engine speed exceeds 1200 RPM, at which time the fuel control reference signal is used. There is no connection to the TCS.
If everything checks ok then the PCM is defective PCM.