LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2002 >> Grand Cherokee 2WD Laredo V8-4.7L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> No-Start Testing >> No Start Tests >> Engine Cranks But Does Not Start

Engine Cranks But Does Not Start

Test 1:




Tests 2 - 7:




Tests 8 - 9:




SYMPTOM
ENGINE CRANKS DOES NOT START

POSSIBLE CAUSES
- No start pre-test
- Powertrain fuses open
- Secondary indicators present
- Set SYNC specification
- No CKP sensor signal when cranking engine
- No CMP sensor signal when cranking engine
- Engine mechanical problem
- ASD relay output circuit open
- Fuel contamination