Symptom Chart

SYMPTOM CHART

Condition	Possible Sources	Action
The stoplamps are inoperative	Circuitry Stoplamp switch Central junction box (CJB)	GO to PINPOINT TEST G .
One or more stoplamps are inoperative	Circuitry Generic electronic module (GEM)	GO to PINPOINT TEST H .
The stoplamps are on continuously	Circuitry Stoplamp switch GEM Speed control module Powertrain control module (PCM)	GO to PINPOINT TEST I .