Driver Air Bag Initiator Circuit Resistance Low
DTC B1032: Driver Air Bag Initiator Circuit Resistance Low
Wiring Diagram
Refer to Driver Air Bag Initiator Circuit Resistance High DTC B1031: Driver Air Bag Initiator Circuit Resistance High:Except Advanced Air Bag.
DTC Will be Set when
The combined resistance of the driver air bag (inflator) module, contact coil assembly, harness wiring and connector terminal contact is below a specified value for specified time.
Flow Test Description
Step 2: Check whether malfunction is in contact coil and driver air bag (inflator) module or the others.
Step 3: Check driver air bag (inflator) module initiator circuit.
Step 4: Check whether malfunction is in contact coil or driver air bag (inflator) module.
DTC Troubleshooting
1.
Was "Air Bag Diagnostic System Check" performed?
YES -
Go to Step 2.
NO -
Go to Air Bag Diagnostic System Check Air Bag Diagnostic System Check:Except Advanced Air Bag.
2. With ignition switch OFF, disconnect contact coil connector located under of the steering column.
Check proper connection to contact coil at terminal in "G26" or "G27" connector.
If OK, then connect special tools (B) and (C) to "G26" connector (For vehicle without cruise control system [A]) or special tools (B) and (D) to "G27" connector (for vehicle with cruise control system [B]) disconnected in Step 1).
Special Tool
(B): 09932-75010
(C): 09932-78340
(D): 09932-77320
Check SDM DTC.
With ignition switch ON, is DTC B1032 indicated?
YES -
Go to Step 3.
NO -
Go to Step 4.
3. With ignition switch OFF, disconnect SDM connector "G47" or "G46".
Check proper connection to SDM at terminals "G47-5" and "G47-6" or "G46-1" and "G46-2".
If OK, release shorting bar in SDM connector inserting release tool (1) included in special tool (A).
Measure resistance between "G47-5" and "G47-6" terminals [A] or between "G46-1" and "G46-2" terminals [B] with connected special tools (B) and (C) (for vehicle without cruise control system [C]) or special tools (B) and (D) (for vehicle with cruise control system [D]).
Special Tool
(A): 09932-76010
(B): 09932-75010
(C): 09932-78340
(D): 09932-77320
Is resistance 0.95 ohms or more?
YES -
Substitute a known-good SDM and recheck.
NO -
"GRN/RED" circuit shorted to "GRN" circuit, "GRN/RED" circuit or "GRN" circuit shorted to other circuit.
4. With ignition switch OFF, disconnect special tools (B) and (C) or (D) from "G26" or "G27" connector and reconnect contact coil connector located under of the steering column.
Remove driver air bag (inflator) module from steering column referring to Removal and Installation Driver Air Bag (Inflator) Module Removal and Installation:Except Advanced Air Bag.
Check proper connection to driver air bag (inflator) module connector.
If OK, then connect special tools (A), (B) and (E) to driver air bag (inflator) module connector.
Special Tool
(A): 09932-76010
(B): 09932-75010
(C): 09932-78340
(D): 09932-77320
(E): 09932-78310
Check SDM DTC.
With ignition switch ON, is DTC B1032 indicated?
YES -
Turn ignition switch OFF. Replace contact coil assembly referring to Contact Coil Cable Assembly Removal and Installation Contact Coil Cable Assembly Removal and Installation.
NO -
Turn ignition switch OFF. Replace driver air bag (inflator) module referring to Removal and Installation Driver Air Bag (Inflator) Module Removal and Installation:Except Advanced Air Bag.
NOTE:
Upon completion of inspection and repair work, perform the following items.
- Reconnect all air bag system components and ensure all components are properly mounted.
- Clear DTCs, if any. DTC Clearance
- Repeat Air Bag Diagnostic System Check Air Bag Diagnostic System Check:Except Advanced Air Bag
to confirm that the trouble has been corrected.