LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (2.9L Pcm 1 - DTCS P0118-00 To P0350-00) >> Diagnosis And Testing >> P034C-00-Ion Sense System Performance >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
OPEN FUSE F05
COIL 1 CONTROL CIRCUIT OPEN/HIGH RESISTANCE
COIL 2 CONTROL CIRCUIT OPEN/HIGH RESISTANCE
COIL 3 CONTROL CIRCUIT OPEN/HIGH RESISTANCE
ENGINE SPEED SIGNAL CIRCUIT SHORTED TO VOLTAGE
ENGINE SPEED SIGNAL CIRCUIT SHORTED TO GROUND
ENGINE SPEED SIGNAL CIRCUIT OPEN/HIGH RESISTANCE
IGNITION CONTROL MODULE
POWERTRAIN CONTROL MODULE (PCM) 1

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .