Cruise Control System (Lf, L3): Overview Mazda 3 BL

Scheme 1

1. Remove the battery cover.
2. Disconnect the negative battery cable.
3. Remove the driver-side air bag module. (See «DRIVER-SIDE AIR BAG MODULE REMOVAL/INSTALLATION»(ref-345267-S05911320512009102000000) .)
4. Disconnect the audio control switch connector.
5. Inspect for resistance and continuity between cruise control switch terminals A-B using a tester. If not as specified, replace the cruise control switch. (See «AUDIO CONTROL SWITCH REMOVAL/INSTALLATION»(ref-345255-S34800374102009102000000) .) RESISTANCE SPECIFICATION Switch condition Resistance (ohm) ON/OFF button pressed Continuity CANCEL button pressed 118-122 SET/COAST button pressed 667-693 RES/ACCEL button pressed 2,156-2,244 No button pressed No continuity

Scheme 2

1. Disconnect the PCM connector.
2. Disconnect the cruise control switch connector. (See «AUDIO CONTROL SWITCH REMOVAL/INSTALLATION»(ref-345255-S34800374102009102000000) .)
3. Inspect the following wiring harnesses for an open or short circuit. (Continuity inspection)