ON BOARD DIAGNOSTIC SYSTEM
F2-94flowchartDRL flow is Canada-only. References '95 MX-3 BETM (Body Electrical Troubleshooting Manual).
Headlight switch
1
Turn headlight switch ON. Does monitor light illuminate?
NO
PC: Headlight switch malfunction ('95 MX-3 BETM); Open circuit in wire harness from headlight switch to ECM; ECM terminal 1H voltage incorrect (page F2-141); ECM malfunction
PC: Headlight switch malfunction ('95 MX-3 BETM); Open circuit in wire harness from headlight switch to ECM; ECM terminal 1H voltage incorrect (page F2-141); ECM malfunction
YES
2
Headlight switch OK. Turn headlight switch OFF
DRL (CANADA)
1
Release parking brake. Does monitor light illuminate?
NO
PC: DRL system malfunction ('95 MX-3 BETM); Open circuit in wire harness from DRL relay to ECM; ECM terminal 2L voltage incorrect (page F2-141); ECM malfunction
YES
2
DRL system OK. Pull parking brake
Fan switch
1
Turn blower switch to 2nd or higher position. Does monitor light illuminate?
NO
PC: Fan switch malfunction ('95 MX-3 BETM); Open circuit in wire harness from blower switch to ECM; ECM terminal 1P voltage incorrect (page F2-141); ECM malfunction
PC: Fan switch malfunction ('95 MX-3 BETM); Open circuit in wire harness from blower switch to ECM; ECM terminal 1P voltage incorrect (page F2-141); ECM malfunction
YES
2
Fan switch OK
A/C switch
1
Turn A/C switch to 1st position. Turn A/C switch ON. Does monitor light illuminate?
NO
PC: A/C switch malfunction ('95 MX-3 BETM); Open circuit in wire harness from A/C switch to blower switch; ECM terminal 1O voltage incorrect (page F2-141); ECM malfunction
PC: A/C switch malfunction ('95 MX-3 BETM); Open circuit in wire harness from A/C switch to blower switch; ECM terminal 1O voltage incorrect (page F2-141); ECM malfunction
YES
2
A/C switch OK
Rear window defroster switch
1
Turn rear window defroster switch ON. Does monitor light illuminate?
NO
PC: Rear window defroster switch malfunction ('95 MX-3 BETM); Open circuit in wire harness from rear window defroster switch to ECM; ECM terminal 1J voltage incorrect (page F2-141); ECM malfunction
PC: Rear window defroster switch malfunction ('95 MX-3 BETM); Open circuit in wire harness from rear window defroster switch to ECM; ECM terminal 1J voltage incorrect (page F2-141); ECM malfunction
YES
2
Rear window defroster switch OK. Turn rear window defroster switch OFF