FixVault

Symptom Chart

CAUTION: During diagnosis, a DTC associated with other system may be set when the ignition switch is turned "ON" position with connector(s) disconnected. On completion, confirm all systems for DTC(s). If DTC(s) are set, erase them all.
SYMPTOM CHART

SYMPTOM INSPECTION PROCEDURE NO. REFERENCE
Communication with scan tool MB991958 is impossible. - Refer to SYMPTOM PROCEDURES .
The ignition key cannot be registered. 1 SYMPTOM PROCEDURES 
Engine cranks, but does not start. 2 INSPECTION PROCEDURE 2: ENGINE CRANKS, BUT DOES NOT START 
The immobilizer indicator light does not illuminate. 3 INSPECTION PROCEDURE 3: THE IMMOBILIZER INDICATOR LIGHT DOES NOT ILLUMINATE