Loss Of Ignition Run - Start - Mercedes-Benz Sprinter 2003 Manual

Symptom:

LOSS OF IGNITION RUN - START

When Monitored and Set Condition:
LOSS OF IGNITION RUN - START
When Monitored: With the ignition in the Run-Start position the ACM monitors the
Fused Ignition Switch Output Run-Start circuit for proper system voltage.
Set Condition: If the voltage on the Fused Ignition Switch Output Run-Start circuit drops
below approximately 6.0 volts, the code will set and all communicate with the DRB will
stop. The DRB will report a NO RESPONSE from the ACM.
ACM, LOSS OF IGNITION RUN - START VOLTAGE
INTERMITTENT RUN - START CONDITION
ACTIVE CODE PRESENT
TEST
1 Ensure the battery is fully charged.
Turn the ignition on.
NOTE: For the purpose of this test, the AECM and ORC modules will be
referred to as an ACM.
DETERMINE ACTIVE OR STORED DTC:
ACM - ACTIVE DTC
ACM - STORED DTC
NOTE: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
2 WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION
OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE
PROCEEDING.
WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY
TIME, IT MUST BE REPLACED. FAILURE TO TAKE THE PROPER PRE-
CAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT
AND PERSONAL INJURY OR DEATH.
If there are no possible causes remaining, view repair.
Repair:
POSSIBLE CAUSES
ACTION
Go To 2
Go To 3
Replace the Airbag Control Module in accordance with Service
Instructions.
Perform AIRBAG VERIFICATION TEST - VER 1.
45
AIRBAG
APPLICABILITY
All
All