Autodata - Diagnostic Trouble Codes Fault locations and probable causes - 2004 edition
I MAZDA ~5.1 Year: 1989-03 323 (BG) 323 Estate 1,614~4 (BW) 323 (BA) 323 1,311,511.8 (BJ) 323 2.0 D/TD (BJ) 626lMX-6 (GE) 626lEstate 1,812,O (GFIGW) 626lEstate 2,O TD (GFIGW) Xedos 619 MX-3lMX-5 Engine BP, BP-DOHC, B3, B3E, B6, B6-SOHC, B6-DOHC, B6E, FP, FS, KF, KJ, KL K8, RF, RF-CX, RF-Turbo, code: ZL, 25 System: Mazda EGI Mazda EDC Engine managementftransmission 323 - engine bay, LH 6261Estate 1998 -+ - engine bay, LH 626 4997lMX-6, Xedos 619, MX-3 - engine bay, LH MX-5 - near brake master cylinder General information Except Xedos 9 2,3 0 Refer to the front of this manual for general test conditions, terminology, detailed descriptions of wiring faults and a general trouble shooter for electrical and mechanical faults. Trouble codes are displayed by using an LED connected to the data link connector (DLC). Except 323 1998 +, 626lEstatelMX-5 1997 +: Engine control module (ECM) displays all available diagnostic information for immobilizer system. DLC without wiringlterrninals in positions FAT & TAT: Engine control module (ECM) incorporates transmission control function. 0 DLC with wiringlterminals in positions FAT & TAT: Transmission control module (TCM) mounted separately. 0 The ECM fault memory can also be checked and erased using diagnostic equipment connected to the data link connector (DLC). Xedos 2,3 Refer to the front of this manual for general test conditions, terminology, detailed descriptions of wiring faults and a general trouble shooter for electrical and mechanical faults. 0 Trouble codes are displayed by using an LED connected to the data link connector (DLC)..
Model. 323 (BG) 323 Estate 1.614~4 (BW) 323 (61) 323 1,311,Yl.B (BJ) 323 2.0 DirD (BJ) 6261MX-6 (GE) 626lEstate 1,812,O (GFIGW) 6261Estate 2,O TD (GFIGW) Xedos 619 MX-31MX-5 MAZDA Engine management/transmission Engine control module (ECM) displays all available diagnostic information for immobilizer system. n Transmission control module (TCM) mounted separately. 0 Data bus connecting ECM to TCM allows faults relating to both systems to be displayed when accessing ECM fault memory. il The ECM/TCM fault memory can also be checked and erased using diagnostic equipment connected to the data link connector (DLC). Accessing Ensure ignition switched OFF. Bridge data link connector (DLC) terminals GND and TEN a. Connect LED test lamp between terminals FEN and B+ O. 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: n Long flashes indicate the 'tens' [A]. Short flashes indicate the 'units' rn [C]. For example: Trouble code 12 displayed H. Four digit trouble codes are displayed as follows: n Each trouble code consists of four groups. A long flash indicates the start of each group [A]. Short flashes indicate the digits of each group [B]. n No short flashes in a group indicate '0'. n For example: Trouble code 0120 displayed El. Switch ignition OFF. Rectify faults as necessary. L FEN \ 1 TEN I I /"T GND Erasing 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). Trouble code identification Flash type Fault location Probable cause I 0 1 I Ignition pulse missing I Wiring, tachometer, ignition coil, distributor, ECM, TCM 02 I Diesel: Engine speed (RPM) sensor - no signal I Wiring, RPM sensor 02 03 Petrol: Crankshaft position (CKP) sensorlengine speed (RPM) sensor - no signal Camshaft position (CMP) sensor - no signal I Wiring, sensor supply voltage, CKPIRPM sensor Wiring, sensor supply voltage, CMP sensor
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Model. 323 (BG) 323 Estate 1.614~4 (BW) 323 (61) 323 1,311,Yl.B (BJ) 323 2.0 DirD (BJ) 6261MX-6 (GE)<br />
626lEstate 1,812,O (GFIGW) 6261Estate 2,O TD (GFIGW) Xedos 619 MX-31MX-5<br />
MAZDA<br />
Engine management/transmission<br />
Engine control module (ECM) displays all available<br />
diagnostic information for immobilizer system.<br />
n Transmission control module (TCM) mounted separately.<br />
0 Data bus connecting ECM to TCM allows faults relating to<br />
both systems to be displayed when accessing ECM fault<br />
memory.<br />
il The ECM/TCM fault memory can also be checked <strong>and</strong><br />
erased using diagnostic equipment connected to the data<br />
link connector (DLC).<br />
Accessing<br />
Ensure ignition switched OFF.<br />
Bridge data link connector (DLC) terminals GND <strong>and</strong><br />
TEN a.<br />
Connect LED test lamp between terminals FEN <strong>and</strong> B+ O.<br />
NOTE: Connect LED test lamp positive connection to DLC<br />
terminal B+.<br />
Switch ignition ON.<br />
Count LED flashes. Note trouble codes. Compare with<br />
trouble code table.<br />
Two digit trouble codes are displayed as follows:<br />
n Long flashes indicate the 'tens' [A].<br />
Short flashes indicate the 'units' rn [C].<br />
For example: <strong>Trouble</strong> code 12 displayed H.<br />
Four digit trouble codes are displayed as follows:<br />
n Each trouble code consists of four groups.<br />
A long flash indicates the start of each group [A].<br />
Short flashes indicate the digits of each group [B].<br />
n No short flashes in a group indicate '0'.<br />
n For example: <strong>Trouble</strong> code 0120 displayed El.<br />
Switch ignition OFF. Rectify faults as necessary.<br />
L<br />
FEN \ 1 TEN I I /"T<br />
GND<br />
Erasing<br />
Ensure ignition switched OFF.<br />
Disconnect battery earth lead for at least 30 seconds.<br />
Depress brake pedal for at least 20 seconds.<br />
Reconnect battery earth lead.<br />
Repeat checking procedure to ensure no data remains in<br />
ECM fault memory.<br />
WARNING: Disconnecting the battery may erase memory from<br />
electronic units (e.g. radio, clock).<br />
<strong>Trouble</strong> code identification<br />
Flash type <strong>Fault</strong> location Probable cause<br />
I<br />
0 1 I Ignition pulse missing I Wiring, tachometer, ignition coil, distributor, ECM, TCM<br />
02 I Diesel: Engine speed (RPM) sensor - no signal I Wiring, RPM sensor<br />
02<br />
03<br />
Petrol: Crankshaft position (CKP) sensorlengine<br />
speed (RPM) sensor - no signal<br />
Camshaft position (CMP) sensor - no signal<br />
I<br />
Wiring, sensor supply voltage, CKPIRPM sensor<br />
Wiring, sensor supply voltage, CMP sensor
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