KA - DODGE NITRO - 4.0L V6 SOHC

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Victor Wilson
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1 KA - DODGE NITRO - 4.0L V6 SOHC 1

2 B1BA7-OCCUPANT CLASSIFICATION SYSTEM VERIFICATION REQUIRED 2

3 Theory of Operation When Monitored: With the CAN ignition status as IGN_RUN, the Occupant Classification Module (OCM) tries to detect potentially damaging events and monitors the CAN Bus for the Impact messages (crash event causing one or more airbag or pretensioner to deploy) or upon detecting an Offset Event (if equipped). Set Condition: This will set if the OCM detects a potentially damaging event or the impact messages from the CAN Bus input. Possible Causes ACTIVE B1BA6-OCCUPANT CLASSIFICATION UNDETERMINED ACTIVE B1BA7-OCS VERIFICATION REQUIRED 1. CHECK FOR OCCUPANT CLASSIFICATION MODULE (OCM) ACTIVE : Active Internal Faults Ignition Faults Battery Fault Seat Weight Sensor Make sure the battery is fully charged. 1. Turn the ignition on. 2. With the scan tool, read OCM. Does the scan tool display any active related to the listed above? Diagnose and repair the active. (Refer to Based Diagnostics/MODULE, Occupant Classification (OCM) - Diagnosis and Testing) for a complete list of s. Go To 2 2. VERIFY ACTIVE 1. With the scan tool, read OCM. REQUIRED? Go To 3 Go To 5 3. REZERO SEAT WEIGHT SENSORS The Occupant Classification System Seat Weights are required to perform this test. 3

4 1. Verify that the passenger seat is empty. Failure to follow the test instructions or aborting the test causes faults to set when performing the Occupant Classification Module System Verification Test. To prevent faults due to process errors: verify that all tests steps that led you here were performed as directed, verify that the ignition is in run. Wait 30 seconds after changing the seat weight before proceeding to allow the system to stabilize. Only press scan tool buttons when directed to do so and perform the Occupant Classification Module System Verification Test to completion. 2. With the scan tool in OCM, select More Options, System Tests and select Occupant Classification Module System Verification Test. Run the test by following the instructions displayed on the scan tool. When the test completes, wait two minutes and then proceed as follows. 3. With the scan tool, read the OCM. REQUIRED? Go To 4 Other Diagnose and repair the active. (Refer to Based Diagnostics/MODULE, Occupant Classification (OCM) - Diagnosis and Testing) for a complete list of s. Active Perform the OCS VERIFICATION TEST. (Refer to Based Diagnostics/MODULE, Occupant 4. VERIFY PASSENGER SEAT RISER, TRACKS AND STRUCTURE WARNING: Turn the ignition off, disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury. 1. Verify that the passenger seat is empty. CAUTION: To avoid seat weight sensor damage, the Strain Gage Alignment Tool 9698A must be used to when loosening or tightening the sensor retainers. 2. Verify that all of the Seat Weight Sensor mounting screws are tightened to torque specification. (Refer to 10 Restraints - Specifications). WARNING: Turn the ignition on, then reconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury. Failure to follow the test instructions or aborting the test causes faults to set when performing the Occupant Classification Module System Verification Test. To prevent faults due to process errors: verify that all tests steps that led you here were performed as directed, verify that the ignition is in run. Wait 30 seconds after changing the seat weight before proceeding to allow the system to stabilize. Only press scan tool buttons when directed to do so and perform the Occupant Classification Module System Verification Test to completion. 3. With the scan tool in OCM, select More Options, System Tests, and select Occupant Classification Module System Verification Test. Run the test by following the instructions displayed on the scan tool. When the test completes, wait two minutes and then proceed as follows. 4. With the scan tool, read the OCM. 4

5 REQUIRED? Perform the DIAGNOSIS AND CHECKOUT PROCEDURE FOR SEAT WEIGHT SENSORS diagnostic procedure. (Refer to Based Diagnostics/MODULE, Occupant Classification (OCM) - Standard Procedure). Other Diagnose and repair the active. (Refer to Based Diagnostics/MODULE, Occupant Classification (OCM) - Diagnosis and Testing). Active Perform the OCS VERIFICATION TEST. (Refer to Based Diagnostics/MODULE, Occupant 5. CHECK FOR ACTIVE B1BA8-OCM SYSTEM OUT OF CALIBRATION/NOT CALIBRATED 1. With the scan tool, read the OCM. Does the scan tool display active B1BA8-OCM SYSTEM OUT OF CALIBRATION/NOT CALIBRATED? (Refer to Based Diagnostics/MODULE, Occupant Classification (OCM) - Diagnosis and Testing) and perform the B1BA8-OCM SYSTEM OUT OF CALIBRATION/NOT CALIBRATED diagnostic procedure. Perform the OCS VERIFICATION TEST. (Refer to Based Diagnostics/MODULE, Occupant 5

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