Test 22: TRAC Off Light Problem

Disconnect instrument panel connector "B". Ground instrument panel connector "B" terminal No. 1 and turn ignition on. If TRAC light illuminates, check wiring between instrument panel connector "D" terminal No. 1 and ABS & TRAC ECU. Check ECU. If TRAC light does not illuminate, check light bulb. Replace as needed and retest. If light is okay, replace circuit plate and retest. If problem still exists, replace power source unit.