4. Start the engine.
5. Check for DTCs with the HDS.
Is DTC 41-2 indicated?
YES -
Go to step 6.
NO -
Intermittent failure, the system is OK at this time. Check for intermittent open between SH-AWD control unit connector terminals A10 and A20
and VSA modulator-control unit 46P connector terminals No. 38 and No. 39.?
6. Turn the ignition switch to LOCK (0).
7. Disconnect the VSA modulator-control unit 46P connector.
8. Disconnect SH-AWD control unit connector A (20P).
9. Check for continuity between VSA modulator-control unit 46P connector terminals No. 38, No. 39 and SH-AWD control unit connector
terminals A10, A20 respectively.
Is there continuity?
YES -
Update the SH-AWD control unit if it does not have the latest software See: Powertrain Management/Transmission Control Systems/Relays and
Modules - Transmission and Drivetrain/Relays and Modules - Differential/Control Unit/Testing and Inspection/SH-AWD Control Unit Update, or
substitute a known-good SH-AWD control unit See: Powertrain Management/Transmission Control Systems/Relays and Modules - Transmission
and Drivetrain/Relays and Modules - Differential/Control Unit/Service and Repair, and recheck. If the symptom/indication goes away with the
updated SH-AWD control unit, troubleshooting is complete. If the symptom/indication goes away with a known-good SH-AWD control unit,
replace the original SH-AWD control unit See: Powertrain Management/Transmission Control Systems/Relays and Modules - Transmission and
Drivetrain/Relays and Modules - Differential/Control Unit/Service and Repair.?
NO -
Repair an open in the wires between the SH-AWD control unit and the VSA modulator-control unit.?
41-2x
SRS DTC Troubleshooting: 41-2x, 41-8x, 41-9x, 41-Ax, 41-Bx
DTC 41-2x, 41-8x, 41-9x, 41-Ax, 41-Bx ("x" can be 0 thru 9 or A thru F):
Internal Failure of the Left Front Impact Sensor
NOTE: Before doing this troubleshooting procedure, review SRS Precautions and Procedures See: Body and Frame/Air Bag(s) Arming and
Disarming/Service and Repair and General Troubleshooting Information See: Restraints and Safety Systems/Air Bag Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes.
