This video will show you where the diagnostic port is located on pre-1996 Volvos and how to retrieve diagnostic codes on OBD1 Volvos years 1992-1995. Also, this video will show you how to clear the check engine light on OBD1 Volvos years 1992 to 1995. This is also known as reading 'blink codes' on a Volvo.
Listed below is the information retrievable from different slots; when recording this video, I was in the A2 slot.
A1 Transmission
B1 Climate Control
A2 Fuel System
B2 Cruise Control
A3 ABS
B5 SRS
A5 TCU (Transmission Control)
B6 Power Seat
A6 Ignition System
A7 Combined Instrument
TIP: You Must Read All Codes before Clearing!
Diagnostic codes for Volvos 1992-1995
A1 — Transmission
111 No faults found
112 Solenoid S1 short circuit to battery voltage
113 Transmission control module (TCM) fault
114 Program selector open circuit or short circuit to supply
121 Solenoid S1 short circuit to ground or control module fault
122 Solenoid S1 open circuit
123 Solenoid STH short circuit to battery voltage
124 Mode selector faulty or short circuit to ground
131 Solenoid STH open/short circuit or control module fault
132 Transmission control module(TCM) fault
134 Faulty load signal from ignition control module
141 Oil temperature sensor short circuit to ground
142 Oil temperature sensor open circuit
143 Kickdown switch faulty or short to ground
211 Transmission control module (TCM) fault
212 S2 solenoid short circuit to battery
213 Throttle position (TPS) signal too high
221 S2 solenoid short circuit to ground or control module fault
222 S2 solenoid open circuit
223 Throttle position (TPS) sensor signal too low
231 Throttle position (TPS) sensor sporadic
232 Speedometer signal missing
233 Incorrect speedometer signal
235 High Oil temperature
245 Open or short in Torque limiting circuit
311 RPM signal from transmission missing
312 RPM signal from transmission faulty
313 Faulty signal from gear position sensor (PNP)
321 Shift time too long
322 Incorrect gear ratio
323 Lock up slips or is not engaged
331 Short circuit to battery in SL circuit
332 SL solenoid open or control module fault
333 SL solenoid short or control module fault
A2 — Fuel System
111 No faults detected
112 Fault in ECM
115 Injector 1
121 MAF sensor signal
123 ECT signal
125 Injector 2
131 RPM sensor signal missing
132 Battery voltage
135 Injector 3
143 Front knock sensor signal
145 Injector 4
153 Rear HO2S signal
154 EGR system leakage
155 Injector 5
212 Front HO2S signal
214 RPM sensor signal sporadic
223 IAC valve opening signal
225 A/C pressure sensor signal
231 Long term fuel trim, part load
232 Long term fuel trim, idling
233 Long term idle air trim
241 EGR system flow malfunction
245 IAC valve closing signal
311 VSS signal
314 CMP sensor signal
315 EVAP system
325 Memory failure
335 Request for MIL lighting from TCM
411 TP sensor signal
413 EGR temp sensor signal
414 Boost pressure regulation
416 Boost pressure reduction from TCM
432 Temperature warning level 1
433 Rear knock sensor signal
435 Front HO2S slow response
436 Rear HO2S compensation
443 Three way cat. Efficiency
444 Acceleration signal
451 Misfire cylinder 1
452 Misfire cylinder 2
453 Misfire cylinder 3
454 Misfire cylinder 4
455 Misfire cylinder 5
513 Temperature warning level 2
514 Engine cooling fan low speed signal
521 Front HO2S Preheating
522 Rear HO2S Preheating
531 Power stage group A
532 Power stage group B
533 Power stage group C
534 Power stage group D
535 TC control valve signal
541 EVAP valve signal
542 Misfire more than one cylinder
543 Misfire at least one cylinder
544 Misfire more than one cylinder, three way cat damage
545 Misfire at least one cylinder, three way cat damage
551 Misfire cylinder 1, three way cat damage
552 Misfire cylinder 2, three way cat damage
553 Misfire cylinder 3, three way cat damage
554 Misfire cylinder 4, three way cat damage
555 Misfire cylinder 5, three way cat damage
#OBD1 #volvo #volvo850