Symptom Troubleshooting Chart - Power Systems

SYMPTOM TROUBLESHOOTING

Condition	Possible Sources	Action
No communication with the smart junction box (SJB)	Wiring, terminals or connectors SJB	See PINPOINT TEST 8: THE SMART JUNCTION BOX (SJB) DOES NOT RESPOND TO THE SCAN TOOL .
No power in all ignition switch positions	SJB Fuse Wiring, terminals or connectors Ignition switch	See PINPOINT TEST 1: NO POWER IN ALL IGNITION SWITCH POSITIONS .
No power in ACC	Wiring, terminals or connectors Ignition switch SJB	See PINPOINT TEST 2: NO POWER IN ACC .
No power in RUN	PCM Fuse(s) Wiring, terminals or connectors Ignition switch SJB	See PINPOINT TEST 3: NO POWER IN RUN .
No power in START	One-Touch Integrated Start (OTIS) diode PCM Wiring, terminals or connectors Ignition switch SJB	See PINPOINT TEST 4: NO POWER IN START .
The ignition key is hard to turn	Ignition lock cylinder Ignition key Ignition switch	See COMPONENT TEST - IGNITION SWITCH - MECHANICAL .
Ignition key cannot be returned to the OFF position	Wiring, terminals or connectors Key removal inhibit solenoid (part of the ignition switch) Park range switch (part of the selector lever) Steering column lock module Ignition lock cylinder	See PINPOINT TEST 7: IGNITION KEY CANNOT BE RETURNED TO THE OFF POSITION .
The ignition key can be turned to the OFF position when the selector lever is not in PARK	Wiring, terminals or connectors Key removal inhibit solenoid (part of the ignition switch) Park range switch (part of the selector lever)	See PINPOINT TEST 8: THE IGNITION KEY CAN BE TURNED TO THE OF POSITION WHEN THE SELECTOR LEVER IS NOT IN PARK .
The ignition key is binding in the lock when turned from the RUN position to the START position only	Steering column lock module	GO to the COMPONENT TEST - IGNITION SWITCH, MECHANICAL .
The multi-function switch does not operate correctly	Multi-function switch SJB	For a concern with the exterior lighting, see EXTERIOR LIGHTING . For a concern with the wipers and washers, see WIPERS AND WASHERS - FRONT .