HOW-TO Read Mazda OBD 1 Codes without OBD Scanner

HOW-TO Read Mazda OBD 1 Codes without OBD Scanner

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HOW TO READ MAZDA OBD 1 CODES

HOW-TO Read Mazda OBD 1 Codes without OBD Scanner

List of Supported Model

  • Mazda 6-2001-2006-
  • 100-1989-1994-
  • 323-1989-2002-
  • 500-1992-1998-
  • 626-1986-2006-
  • 800-1994-1998-
  • 929-1984-1997-
  • 121/Metro-1990-2006-
  • 30X-1992-1997-
  • 323 Ystina-1985-2006-
  • 800M-1994-2002-
  • Yutozam Clef-1992-1994-
  • YZ3-1990-1995-
  • B2000-1985-1988-
  • B2200-1990-1994-
  • B2300-1994-2006-
  • B2500-1998-2002-
  • B2600-1986-1993-
  • B3000-1994-2006-
  • B4000-1994-2006-
  • Capella-1987-1997-
  • Protege-1990-2006-
  • Cronos-1991-1994-
  • E2000-1986-1997-
  • Efini MS8-1993-1999-
  • Efini RX7-1992-1997-
  • Familia-1989-1998-
  • Lantis-1990-1998-
  • Luce-1987-1991-
  • MPV-1989-2000-
  • MS6-1991-1994-
  • MS8-1991-1994-
  • MS9-1991-1996-
  • MX-3-1990-1995-
  • MX-5-1989-2000-
  • Miata-1990-2006-
  • MX-6-1987-2006-
  • Navajo-1991-1994-
  • Presso-1990-1995-
  • Proceed-1991-1998-
  • 121 1991-1995-
  • Roadster-1989-1998-
  • RX7-1986-2002-
  • Tribute-2001-2006-
  • Xedos-1989-2006-
  • Sentia-1991-1996-
  • Revnue 1991-1995

Accessing OBD 1 Codes

  • Ensure ignition switched OFF.
  • Bridge data link connector (DLC) terminals GND and TEN Fig. 1 .
  • Connect LED test lamp between terminals FEN and B+ Fig. 1 .

NOTE: Connect LED test lamp positive connection to DLC terminal B+.

  • Switch ignition ON.
  • Count LED flashes. Note trouble codes. Compare with trouble code table.
  • Two digit trouble codes are displayed as follows:
  • Long flashes indicate the ‘tens’ Fig. 2 [A].
  • Short flashes indicate the ‘units’ Fig. 2 [C].
  • For example: Trouble code 12 displayed Fig. 2 .
  • Four digit trouble codes are displayed as follows:
  • Each trouble code consists of four groups.
  • A long flash indicates the start of each group Fig. 3 [A].
  • Short flashes indicate the digits of each group Fig. 3 [B].
  • No short flashes in a group indicate ‘0’.
  • For example: Trouble code 0120 displayed Fig. 3 .
  • Switch ignition OFF. Rectify faults as necessary.

Accessing Mazda OBD codes with OBD tools

Erasing Codes

  • Ensure ignition switched OFF.
  • Disconnect battery earth lead for at least 30 seconds.
  • Depress brake pedal for at least 20 seconds.
  • Reconnect battery earth lead.
  • Repeat checking procedure to ensure no data remains in ECM fault memory.

WARNING: Disconnecting the battery may erase memory from electronic units (e.g. radio, clock).

Mazda OBD 1 Codes

EOBD codeFailure type
00No failure type information
01General electrical failure
02General signal failure
03Frequency modulated (FM)/pulse width modulated (PWM) signal failure
04System internal failure
05System programming failure
06Algorithm based failure
07Mechanical failure
08Data bus signal/message failure
09Component failure
11Short circuit to earth
12Short circuit to positive
13Circuit open
14Open circuit/short to earth
15Open circuit/short to positive
16Circuit voltage below threshold
17Circuit voltage above threshold
18Circuit current below threshold
19Circuit current above threshold
1ACircuit resistance below threshold
1BCircuit resistance above threshold
1CCircuit voltage out of range
1DCircuit current out of range
1ECircuit resistance out of range
1FCircuit intermittent
21Signal amplitude below minimum
22Signal amplitude above maximum
23Signal stuck low
24Signal stuck high
25Signal shape/waveform failure
26Signal rate of change below threshold
27Signal rate of change above threshold
28Signal bias level out of range/zero adjustment failure
29Signal invalid
2ASignal stuck in range
2BSignal cross-coupled
2FSignal erratic
31No signal
32Signal low time below minimum
33Signal low time above maximum
34Signal high time below minimum
35Signal high time above maximum
36Signal frequency too low
37Signal frequency too high
38Signal frequency incorrect
39Signal has too few pulses
3ASignal has too many pulses
41General checksum failure
42General memory failure
43Special memory failure
44Data memory failure
45Program memory failure
46Calibration/parameter memory failure
47Watchdog/safety micro-controller failure
48Supervision software failure
49Internal electronic failure
4AIncorrect component installed
4BOver-temperature condition
51Component not programmed
52Component program not activated
53Component program disabled
54Missing calibration
55System not configured
56Invalid/incompatible configuration
57Invalid/incompatible software component
61Signal calculation failure
62Signal comparison failure
63Circuit/component protection time-out
64Signal plausibility failure
65Signal has too few transitions/events
66Signal has too many transitions/events
67Signal incorrect after event
68Event information
71Actuator stuck
72Actuator stuck open
73Actuator stuck closed
74Actuator slipping
75Emergency position not reachable
76Incorrect mounting position
77Commanded position not reachable
78Alignment or adjustment incorrect
79Mechanical linkage failure
7AFluid leak or seal failure
7BLow fluid level
81Invalid serial data received
82Alive/sequence counter incorrect/not updated
83Value of signal protection calculation incorrect
84Signal below allowable range
85Signal above allowable range
86Signal invalid
87Missing message
88Data bus off
8FSignal erratic
91Component parameter out of range
92Performance problem/malfunction
93No operation
94Unexpected component operation
95Incorrect assembly
96Component internal failure
97Component or system operation obstructed or blocked
98Component or system over-temperature condition
9AComponent or system operating conditions
Flash typeFault locationProbable cause
01Ignition pulse missingWiring, tachometer, ignition coil, distributor, ECM, TCM
02Diesel: Engine speed (RPM) sensor – no signalWiring, RPM sensor
02
1
Petrol: Crankshaft position (CKP) sensor/engine speed (RPM) sensor – no signalWiring, sensor supply voltage, CKP/RPM sensor
03Camshaft position (CMP) sensor – no signalWiring, sensor supply voltage, CMP sensor
04Diesel: Crankshaft position (CKP) sensor – no signalWiring, sensor supply voltage, CKP sensor
04
2
Petrol: Crankshaft position (CKP) sensor/engine speed (RPM) sensor – no signalWiring, sensor supply voltage, CKP/RPM sensor
05Knock sensor (KS)Wiring, KS
06Vehicle speed sensor (VSS)Wiring, speedometer, VSS
08Mass air flow (MAF) sensor/volume air flow (VAF) sensorWiring, MAF/VAF sensor
09Engine coolant temperature (ECT) sensorWiring, ECT sensor
10Intake air temperature (IAT) sensorWiring, IAT sensor
11Intake air temperature (IAT) sensorWiring, IAT sensor
12Throttle position (TP) sensorWiring, TP sensor adjustment, TP sensor
14Barometric pressure (BARO) sensorWiring, BARO sensor, ECM
15Except V6: Oxygen sensor (O2S)/heated oxygen sensor (HO2S) – no activityIntake leak, fuel pressure/pump, wiring, O2S/HO2S, injector(s), ECT sensor, MAF sensor, spark plugs
15V6: Heated oxygen sensor (HO2S), bank 2 – no activityIntake leak, fuel pressure/pump, wiring, O2S/HO2S, injector(s), ECT sensor, MAF sensor, spark plugs
16Exhaust gas recirculation (EGR) valve position sensorWiring, EGR valve position sensor
17Except V6: Oxygen sensor (O2S)/heated oxygen sensor (HO2S) – incorrect signalIntake leak, fuel pressure/pump, wiring, O2S/HO2S, injector(s), ECT sensor, MAF sensor, spark plugs
17V6: Heated oxygen sensor (HO2S), bank 2 – incorrect signalIntake leak, fuel pressure/pump, wiring, O2S/HO2S, injector(s), ECT sensor, MAF sensor, spark plugs
18Fuel quantity adjusterWiring, fuel quantity adjuster/position sensor
19Fuel quantity adjuster position sensorWiring, fuel quantity adjuster position sensor
22Fuel shut-off solenoidWiring, fuel shut-off solenoid
23Diesel: Fuel temperature sensorWiring, fuel temperature sensor
23Petrol: Heated oxygen sensor (HO2S), bank 1 – no activityIntake leak, wiring, O2S/HO2S, injector(s), ECT sensor, MAF sensor, spark plugs
24Heated oxygen sensor (HO2S), bank 1 – incorrect signalIntake leak, fuel pressure/pump, wiring, O2S/HO2S, injector(s), ECT sensor, MAF sensor, spark plugs
25Fuel pressure regulator control solenoidWiring, fuel pressure regulator control solenoid
26Evaporative emission (EVAP) canister purge valveWiring, EVAP canister purge valve
28Exhaust gas recirculation (EGR) solenoid – vacuumWiring, EGR solenoid
29Exhaust gas recirculation (EGR) solenoid – ventWiring, EGR solenoid
34Idle air control (IAC) valveWiring, IAC valve
35Fuel pressure regulator control solenoid 2Wiring, fuel pressure regulator control solenoid
36Glow plug relayWiring, glow plug relay
41Intake manifold air control solenoid 1Wiring, intake manifold air control solenoid
43Fuel injection timing sensorWiring, fuel injection timing sensor/solenoid
46Petrol: Intake manifold air control solenoid 2Wiring, intake manifold air control solenoid
46Diesel: Closed throttle position (CTP) switchWiring, CTP switch
49Engine control module (ECM) – defectiveECM
52Module coding plugWiring, module coding plug
55Input shaft speed (ISS) sensor/turbine shaft speed (TSS) sensorWiring, ISS/TSS sensor
56323: Engine control module (ECM) – supply voltageWiring, ECM
56626: Transmission fluid temperature (TFT) sensorWiring, TFT sensor
57Engine control relayWiring, engine control relay
60Shift solenoid (SS) A, 1-2Wiring, SS
61Shift solenoid (SS) B, 2-3Wiring, SS
62Shift solenoid (SS) C, 3-4Wiring, SS
63Torque converter clutch (TCC) control solenoidWiring, TCC control solenoid
64Shift timing solenoid, 3-2Wiring, shift timing solenoid
65Torque converter clutch (TCC) solenoidWiring, TCC solenoid
66Transmission fluid pressure (TFP) solenoidWiring, TFP solenoid
67Engine coolant blower motor relay – low temperatureWiring, engine coolant blower motor relay
68Engine coolant blower motor relay – high temperatureWiring, engine coolant blower motor relay
69Engine coolant blower motor temperature sensorWiring, engine coolant blower motor temperature sensor
71Engine control module (ECM)/immobilizer control module
– communication error		Wiring, immobilizer control module, ECM
72Ignition key – not programmed into ECMECM incorrectly programmed/not programmed
73Engine control module (ECM)/immobilizer control module
– immobilizer codes do not match		Incorrectly programmed immobilizer control module/ECM
74Engine control module (ECM)/immobilizer control module
– ignition key codes not match		Incorrect/damaged key, ECM incorrectly programmed
75Engine control module (ECM) – EEPROM errorECM
76Engine control module (ECM) – immobilizer code not storedECM incorrectly/not programmed
77Immobilizer control module – communication errorIncorrect/damaged key, wiring, reader coil, immobilizer control module

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