ECU MAZDA MX-5 1994 Service Manual

SRS AIR BAG SYSTEM T u Possible cause Poor connection of diagnostic module connector Defective diagnostic module Defective wiring harness Step 1 Carry out "Before Servicing" procedure under GEN- ERAL PROCEDURES, page T-1 60. Air bag warning light remains ON Flowchart No.2 Step 2 1. Verify that the diagnostic module connector is securely connected to the diagnostic module. 2. Verify that the shorting bar is in the fully retracted posi- tion. 3. If the connector and shorting bar are OK, go to step 3. Symptom Step 3 1. Disconnect the diagnostic module connector. 2. Remove the shorting bar from the diagnostic module connector. 3. Check the air bag warning light. Light condition I Action I Illuminate Repair wiring harness (Diagnostic modul~lnstrument duster) I Not illuminate 1 Replace diagnostic module (Refer to Dacie T-208) Gartner Banana

u HEATER I_-K' AIR MIX WlRE -/ AIRFLOW MODE WlRE VENT bm -:JJ 45UOUX-04 AIR INTAKE WlRE / SHUTTER LEVER 45uoux-041 U-22 Inspection 1. Check for continuity between the terminals of the switch. Fan switch ACS Position I I I I I I I I OFF I I Terminal A~B~C~D~E~F~G~H I 1-1 I I I 1- 1- OFF First Second M: Continuity 0-0: Diode 2. If not as specified, replace the switch. Third 0 -0 0 Adjustment Air mix wire 1. Set the temperature-control lever to MAX HOT. 2. Connect and clamp the wire with the shutter lever on the heater unit all the way to the right. 3. Move the temperature-control lever to make sure the -, wire is securely attached and that it moves fully from HOT to COLD. Airflow mode wire 1. Set the mode lever to VENT. 2. Connect and clamp the wire with the shutter lever on the heater unit at its closest point. 3. Move the mode lever to make sure the wire is securely attached and that it moves fully from DEF to VENT. 0 RECIFRESH wire 1. Set the REC/FRESH lever to FRESH. 2. Connect and clamp the wire with the shutter lever on the blower unit at its closest point. 3. Move the RECJFRESH lever to make sure the wire is se- curely attached and that it moves fully from REC to FRESH. u 0 0-4 Gartner Banana

I ABBREVIATIONS The follov~~rig abbrev~ations are used throlrghout Mazda Microfiche parts catalog : in the illustration, tex, section numbel- index, alphabetical index. - Delmnbn Head Hamcu High. ARiuda Ccnpnator Hlph Axawe ConpnMlor Harmback blchbtcf Hel*~% Hydm Conrml Auc~mnr Tfl.118tbn t+=w Dutr )baler tibh - Hilh Ahds I #ad Inbry Cmeris llrgh.Tbn*ron Ahbrevlalur~ -- H I4ARN H.A.C. 1 ST PND ZD. ZSEAT 3D. JRD 3.SP 40. 4SPor 4SPD 41SS' 4TH 5D. I4RK SSP or 5.?PD IOTH-ANNIV. IAI . .9 A.A.S. or A.kSUSP a.s v BTHR 3UMP. BURG. 8Y.A.C.V. ICl C. or (C) CALIF. CIARU CAN. CARE- GAT C.h3 CL C.Q.R. CH CI'O :;:.dm CHI: CLP. CLNR CRTR CLU ..CM C.MEHRER CHTMR COMB. :OW. coum COMPS. CONDSR CONN. CONS. CQHT. COW 'XWR COW. CPE CPr. cw C.P.dN17 CRK CRlrjT CFsHlFT CTR CUSH. '-Y 1 PI D. or OR D. DBL CAB b. BLUE D. BRP DE MF REF0 UE S UEMlSl D any DIAI'H DIC'F. DlSCW MST DMPR DOHC Bbcd Soknod Vuhe Breather Bumpet L.H.D LH. 31M Lh'OUf L NOSE WGT. CPU P (PI PARK or PARKO PASS. P.B. P.C.V. Sypss AI~ Contml Vatve D.P. DRUWB DlTlRE or D.TIRE HB H.0 RE HCAK Center Caldornla Cold Area Canada Cbrbulenor Cslalysr Cowwn Diw Cunvenlwnal Englm (.Recpmcettnp Garol!ne Cnglno) Com!ant Qear Ram Coach Chaw0 Chamber Chcck Cwl1np Ck'awr Cbamne Lahlor Clutch ..Lbt~l~me!er (9) Cmssmo~nlrer Contalner Combrulmn Comwnwn Compresw Cornpon~rlor Candennr Conmor or C~nnscl:n(l cQ.5 r Control Conven~mnal LO L.S. VALVE WARTITION L.P.G. PHLPPNS PlLR PIV PKQ PHEUW. PNL. WSl PCISIT. POW. WINDOW P.P. PRESS PROTN PROTR. PWTGL P.S. P.SOUNO PSTN rc D.T. TOP DUMP. ox. D. b LW [El ECE HIDUT'I HEA. or HEAT. HI - Ill ALTl H.I C. HlGHT HL ~r H.L. or HILAYF H K9NO HNOA ..HP H.P R. L.S D. or LS. DlFF ..L T LTAILCUTE LVR Lwa Lrn. m-P ECON. E.C.P.G. SYS ADS. A.B.S. A.B.S.V. EQI IW .U hU. CY L. MINT. MIP MA. SUSP -(so HT. HK or WTOP Hwl I11 10. 10 or ; 3N. IL ILLUMI. IN. IND. lHHl0 INJ INN. HI; INSP. :Ia;T. INT. INT.COOCt'R INtEn INTMT or INTEAMn I R.S. or I.R. SUSP A.C. A.C.C. ELECT. EM. ENEOY or ENGY EHQ. EOUR EQUIP. Ex. US-. UC.1OTH-ANHN. Ex r. EXTRACT. 19 F.- ..F FED. FINIS F.I.P. FLEX I' 1 MIXER FIX. Flu ? F L.CECI( FOLD. Ft 4 FRI FfiHIFT RJ1.L CON. 101 a MRN GAS MSOH QEN O HATCH OLD M aLs aov ORN GHY [~RYIORN ACCEL ACTR A.C.V. AW. M. W ST MF MtR ML MLD. or MLW. .UM H.P. wx. MRH UI'. L WQ. MT NI M* YARR. Y.C. v.0 YO. WNCP YON TILT WR wz. Y.6.W P.T.O. fll ADJ.SUSY AIR P. AIR CON. ALfH ALUM. AMP. AMLOO ANNA/ ANT ARO A.8. AbSORRER ASH. AsW AT An nus AUST. AUTO. [W ML. Ml B.CnLOR MXOR BOY BELT. B LK P 'I Fmnl- ..Iwt ( IwI) Fdenl Flnblrrr Flwl lnjactmn Pump Fbrib& Fwl lr *ion Whet t'lrh Fir W Ful Lqt D.a Foldno Ffbnoa Fmnt Fkr C. Fu ., atr~m(W Convorlor Corvr Coup( Colnpblo Computer Csnlcl Ptwrrrltq UnR CmnC C-~ttet Column shm Center Curhon Cyltnder HEFR! JEY Rca 0.- REQU REG QAS fiECUL. RqL REM. CON R€l RRAM I E3wcT Hf IHF R or RR 14 S (S1 SAFL S AFRICA SAL'DI S1800Y SWOX 1.S C. NRY . KC Kt1 KW [Ll L c* (L) L. L L T Ll UAA SUSP LLLJMRY BLU M BLVA ma BRKT BHN BRT - - Omn Qray Onan Otwn Gartner Banana