B009F
DTC B009F
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (with HP2) (Initial Inspection and Diagnostic Overview)Diagnostic System Check - Vehicle (without HP2) (Initial Inspection and Diagnostic Overview) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (Initial Inspection and Diagnostic Overview) for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions (Initial Inspection and Diagnostic Overview) provides an overview of each diagnostic category.
DTC Descriptor
DTC B009F 00
- High Voltage Crash Impact Detection Sensor 1 No Additional Information
DTC B009F 11
- High Voltage Crash Impact Detection Sensor 1 Above Maximum Threshold
DTC B009F 12
- High Voltage Crash Impact Detection Sensor 1 Below Minimum Threshold
DTC B009F 39
- High Voltage Crash Impact Detection Sensor 1 Internal Electronic Failure
DTC B009F 3A
- High Voltage Crash Impact Detection Sensor 1 Incorrect Component Installed
DTC B009F 4A
- High Voltage Crash Impact Detection Sensor 1 Checksum Error
DTC B009F 73
- High Voltage Crash Impact Detection Sensor 1 Parity Error
Diagnostic Fault Information
Typical Scan Tool Data
Circuit/System Description
The high voltage circuit impact detection (HVCID) sensor utilizes a unidirectional 2-wire circuit. The HVCID sensor modulates current on the circuit interface to send ID, state of health, and collision status to the serial data gateway (SDG) module. The SDG module serves as a power source and a ground for the HVCID sensor. When the ignition is turned ON and input power from the SDG module is first detected, the HVCID sensor responds by performing internal diagnostics and sending an ID to the SDG module. The HVCID sensor continually communicates status messages to the SDG module, which determines if a failure is present in the HVCID circuit.
Conditions for Running the DTC
* The ignition is ON.
* The battery voltage is 7.5-18 V.
Conditions for Setting the DTC
B009F 00
The SDG module is not programmed to use HVCID sensor 1.
B009F 11
The HVCID sensor signal circuit is shorted to voltage for 2.5 seconds.
B009F 12
The HVCID sensor signal circuit is shorted to ground for 2.5 seconds.
B009F 39
The SDG module has not received a valid state of health message from the HVCID sensor for 2.5 seconds.
B009F 3A
The wrong HVCID sensor has been installed.
B009F 4A
The SDG module calibration does not match the vehicle configuration.
B009F 73
The SDG module has received invalid serial data from the HVCID sensor.
Action Taken When the DTC Sets
The driver information center (DIC) displays the SERVICE HYBRID SYSTEM message.
Conditions for Clearing the DTC
* A current DTC clears when the malfunction is no longer present.
* The DIC message turns OFF when the DTC passes.
* A history DTC clears when the module ignition cycle counter reaches the reset threshold of 50, without a repeat of the malfunction.
Diagnostic Aids
* The HVCID sensor has many different internal configurations in the same external package. Ensure that the correct sensor part number is installed with the correct software programmed in the SDG module.
* Turn the ignition OFF for 1 minute before using a scan tool to clear the DTC from the SDG module. If the ignition is not OFF for 1 minute, the DTC may not clear.
Reference Information
Schematic Reference
Data Communication Schematics (Electrical Diagrams)
Connector End View Reference
Component Connector End Views (Connector Views)
Description and Operation
Drive Motor Generator Control Module Description and Operation (Description and Operation)
Electrical Information Reference
* Circuit Testing (Component Tests and General Diagnostics)
* Connector Repairs (Component Tests and General Diagnostics)
* Testing for Intermittent Conditions and Poor Connections (Component Tests and General Diagnostics)
* Wiring Repairs (Component Tests and General Diagnostics)
Scan Tool Reference
Control Module References (Programming and Relearning) for scan tool information
Circuit/System Verification
Ignition ON, observe the scan tool Hybrid Crash Sensor 1 parameter. The reading should be No Crash.
Circuit/System Testing
1. Verify that DTC B009F 00, B009F 4A, or B009F 73 is not set.
• If the DTC is set, program the SDG module. If the DTC resets, replace the SDG module.
2. Ignition OFF, disconnect the harness connector at the HVCID sensor.
Note: The scan tool must be disconnected and the ignition switch OFF for 30 seconds for proper test results.
3. Ignition OFF and scan tool disconnected, open and close the driver door, and wait 1 minute.
4. Test for less than 5.0 ohms between the low reference circuit terminal 2 and ground.
• If greater than the specified range, test the circuit for an open/high resistance. If the circuit tests normal, replace the SDG module.
5. Ignition ON, test for less than 1.0 volt between the signal circuit terminal 1 and ground.
• If greater than the specified range, test the circuit for a short to voltage. If the circuit tests normal, replace the SDG module.
Note: The scan tool must be disconnected and the ignition switch OFF for 30 seconds for proper test results.
6. Ignition OFF and scan tool disconnected, open and close the driver door, and wait 1 minute.
Note: The SDG module will attempt to communicate with the HVCID sensor for 5 seconds immediately after the ignition is turned ON. After 5 seconds the signal circuit will be inactive.
7. Ignition ON, test for 1.0-3.0 volts AC between the signal circuit terminal 1 and ground. There should be an AC voltage that varies between 1.0 and 3.0 volts for only 5 seconds immediately after the ignition is turned ON.
• If less than the specified range, test the circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the SDG module.
8. Verify the SDG module is programmed with the correct software calibration.
• If the correct software is not installed, program the SDG module.
9. If all circuits test normal, test or replace the HVCID sensor.
Repair Instructions
Perform the Diagnostic Repair Verification (Verification Tests) after completing the diagnostic procedure.
* High Voltage Circuit Impact Detection Sensor Replacement (High Voltage Circuit Impact Detection Sensor Replacement)
* Control Module References (Programming and Relearning) - for SDG module replacement, setup, and programming.