FixVault

MX-5 Miata

Disconnect cruise control main switch harness connector. Check continuity between specified terminals of cruise control main switch with switch in specified position. See CRUISE CONTROL MAIN SWITCH CONTINUITY TEST (MX-5 MIATA)  table. See Fig 1. If continuity is not as specified, replace cruise control main switch.

CRUISE CONTROL MAIN SWITCH CONTINUITY TEST (MX-5 MIATA)

Switch Position Continuity Between Terminals
Off (1) A & B
On A & B; C, D & F
(1) Apply battery voltage across terminals "A" and "B" to test switch back-lighting or terminals "C" and "F" to test indicator light.
Fig 1: Cruise Control Main Switch Terminals (MX-5 Miata)
G96D06758Courtesy of MAZDA MOTORS CORP.