Notes On INTERMITTENTS

If an intermittent code B420 is being set, manipulate related wiring in output function and watch for relays to cycle.

Fig 1: Code B420 Schematic, High/Low Beam Relays Circuit

Fig 2: Code B420 Flow Chart, High/Low Beam Relays Circuit

NOTE: Use this procedure only if directed here from Code B420 chart, relay circuit. If no relays are working, check for open in circuit 840.

Fig 3: Code B420 Flow Chart, High/Low Beam Relays Circuit