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MODEL SELECTION INDEX
MY 2003 VY & V2 II SERIES - SERVICE INFORMATION
SECTION 6C2-2B - SYMPTOMS – V6 SUPERCHARGED ENGINE
PCM AND PROM
IMPORTANT PRELIMINARY CHECKS
BEFORE USING THIS SECTION:
SYMPTOM:
VISUAL/PHYSICAL CHECK:
INTERMITTENTS
HARD START
PRELIMINARY CHECKS:
SENSORS:
IGNITION SYSTEM:
FUEL SYSTEM:
ADDITIONAL CHECKS:
SURGES AND/OR CHUGGLES
PRELIMINARY CHECKS:
SENSOR CHECKS:
IGNITION SYSTEM CHECKS:
FUEL SYSTEM CHECKS:
ADDITIONAL CHECKS:
LACK OF POWER, SLUGGISH, OR SPONGY
PRELIMINARY CHECKS:
SENSOR CHECKS:
ENGINE MECHANICAL CHECKS:
IGNITION SYSTEM CHECKS:
FUEL SYSTEM CHECKS:
ADDITIONAL CHECKS:
DETONATION/SPARK KNOCK
PRELIMINARY CHECKS:
IGNITION SYSTEM CHECKS:
ENGINE MECHANICAL CHECKS:
COOLING SYSTEM CHECKS:
FUEL SYSTEM CHECKS:
ADDITIONAL CHECKS:
HESITATION, SAG, STUMBLE
PRELIMINARY CHECKS:
SENSOR CHECKS:
IGNITION SYSTEM CHECKS:
FUEL SYSTEM CHECKS:
ADDITIONAL CHECKS:
CUTS OUT, MISSES
PRELIMINARY CHECKS:
IGNITION SYSTEM CHECKS:
ENGINE MECHANICAL CHECKS:
FUEL SYSTEM CHECKS:
ADDITIONAL CHECKS:
ROUGH, UNSTABLE, OR INCORRECT IDLE, STALLING
PRELIMINARY CHECKS:
ENGINE MECHANICAL CHECKS:
FUEL SYSTEM CHECKS:
ADDITIONAL CHECKS:
POOR FUEL ECONOMY
PRELIMINARY CHECKS:
IGNITION SYSTEM CHECKS:
COOLING SYSTEM CHECKS:
ENGINE MECHANICAL CHECKS:
ADDITIONAL CHECKS:
FUEL SYSTEM CHECKS:
BACKFIRE
PRELIMINARY CHECKS:
IGNITION SYSTEM CHECKS:
ENGINE MECHANICAL CHECKS:
FUEL SYSTEM CHECKS:
EXCESSIVE EXHAUST EMISSIONS OR ODOURS
PRELIMINARY CHECKS
IGNITION SYSTEM CHECKS:
COOLING SYSTEM CHECKS:
FUEL SYSTEM CHECKS:
ADDITIONAL CHECKS:
DIESELING, RUN-ON
PRELIMINARY CHECKS:
FUEL SYSTEM CHECKS:
IGNITION SYSTEM CHECKS:
RICH/LEAN SYMPTOM CHART
CIRCUIT DESCRIPTION:
TEST DESCRIPTION:
DIAGNOSTIC AIDS:
RICH/LEAN SYMPTOM CHART
AUTOMATIC TRANSMISSION SYMPTOM TABLES
OIL PRESSURE HIGH OR LOW
HARSH SHIFTS/INACCURATE SHIFT POINTS
1ST GEAR RANGE ONLY - NO UPSHIFT
SLIPS IN 1ST GEAR
SLIPPING OR ROUGH 1-2 SHIFT
NO 2-3 SHIFT OR 2-3 SHIFT SLIPS, ROUGH OR HUNTING
2ND/3RD GEARS ONLY OR 1ST/4TH GEARS ONLY
THIRD GEAR ONLY
3-2 FLARE OR TIE-UP
NO 3-4 SHIFT, SLIPS OR ROUGH 3-4 SHIFT
NO REVERSE OR SLIPS IN REVERSE
NO PART THROTTLE OR DELAYED DOWNSHIFTS
HARSH GARAGE SHIFT
NO OVERRUN BRAKING - MANUAL 3-2-1
NO TCC APPLY
TORQUE CONVERTER CLUTCH SHUDDER
NO TCC RELEASE
DRIVES IN NEUTRAL
2ND GEAR START (DRIVE RANGE)
NO PARK
RATCHETING NOISE
FLUID OUT THE VENT
VIBRATION IN REVERSE AND WHINING NOISE IN PARK
NO DRIVE IN ALL RANGES
NO DRIVE IN DRIVE RANGE
FRONT OIL LEAK
DELAY IN DRIVE AND REVERSE
PCM CONNECTOR SYMPTOM TABLES
TESTING GROUNDS
BASICS
GROUND CIRCUITS
PARALLEL GROUNDS
CHECKING GROUNDS
SOLID-STATE CIRCUIT VOLTAGE DROP SPECIFICATIONS
GROUND CREDIBILITY CHECK
CIRCUIT DESCRIPTION:
TEST DESCRIPTION:
DIAGNOSTIC AIDS:
CORRECTING PROBLEMS IN GROUND CIRCUITS