DTC 21: Cruise Control Switch (Set/Coast Switch)
WARNING: This page is about a different car, the 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
- Access cruise control module, located behind right kick panel. Disconnect cruise control module harness connector. Measure resistance between ground and terminal "L" ( Violet wire) at cruise control module harness connector while depressing SET/COAST switch. See Figure . If resistance is 198 ohms, system is okay. If resistance is not 198 ohms, go to next step.
- Remove column cover. Turn ignition switch to ON position. Press cruise control main switch to ON position. Turn SET/COAST to ON position. Using a DVOM, measure voltage at clockspring connector No. 2, terminal 2C (Violet wire). See Figure . If voltage is 2.5 volts, replace cruise control module. If voltage is not as specified, replace cruise control switch.