Test 20: Cruise Main Indicator Problem

Disconnect instrument panel connector "D". Ground connector "D" terminal No. 16 and turn ignition on. If CRUISE light does not illuminate, check wiring between connector "D" terminal No. 16 and cruise control ECU. Check ECU. If wiring is okay, check light bulb. Replace as needed and retest. If CRUISE light illuminates, replace circuit plate and retest. If problem still exists, replace power source unit.