Dodge Ram 2004 Service Manual page 113

NO LEFT SIDE IMPACT SENSOR 1 COMMUNICATION —
TEST
2 WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
Disconnect the Left Side Impact Sensor 1 connector.
Disconnect the Airbag Control Module connector.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION ON, THEN RECONNECT THE BATTERY.
Measure the voltage of the Left Side Impact Sensor 1 Signal circuit and sensor 1
ground circuit at the Left Side Sensor 1 connector and ground.
Is there any voltage present?
Yes → Repair the Left Side Impact Sensor 3 circuits shorted to battery.
→ Go To 3
No
3 WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION
ON, THEN RECONNECT THE BATTERY.
Measure the resistance of the Left Side Impact Sensor 1 Signal circuit between the
Driver Side Impact Sensor 1 connector and ground.
Is the resistance below 100K ohms?
Yes → Repair the Left Side Impact Sense 1 Signal circuit shorted for a
→ Go To 4
No
4 Measure the resistance between the Driver Side Impact Sensor Signal and Sensor
Ground circuits at the Left Side Impact Sensor 1 connector.
Is the resistance below 100K ohms?
Yes → Repair the Left Side Impact Sensor 1 circuits shorted together.
→ Go To 5
No
5 Connect the appropriate Load Tool ACM Adaptor to the Airbag Control Module
connector.
Measure the resistance of the Left Side Impact Sensor 1 Ground circuit between the
Left Side Impact Sensor 1 connector and the Load Tool ACM Adaptor.
Is the resistance below 1 ohm?
Yes → Go To 6
→ Repair the Left Side Impact Sensor 1 Ground circuit open or high
No
6 Measure the resistance of the Left Side Impact Sensor 1 Signal circuit between the
Left Side Impact Sensor 1 connector and the Load Tool ACM Adaptor.
Is the resistance below 1 ohm?
Yes → Go To 7
→ Repair the Left Side Impact Sensor 1 Signal circuit open or high
No
ACTION
Perform __AIRBAG VERIFICATION TEST - VER 1.
short to ground.
Perform __AIRBAG VERIFICATION TEST - VER 1.
Perform __AIRBAG VERIFICATION TEST - VER 1.
resistance.
Perform __AIRBAG VERIFICATION TEST - VER 1.
resistance.
Perform __AIRBAG VERIFICATION TEST - VER 1.
99
AIRBAG
Continued
APPLICABILITY
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