B1323

DTC B1323 / B1327: Left / Right Side-Air Bag Initiator Circuit Short to Ground

Wiring Diagram

Refer to B1321 DTC B1321 / B1325: Left / Right Side-Air Bag Initiator Circuit Resistance High:Except Advanced Air Bag.

DTC Will be Set when

The voltage measured at side-air bag (left or right) initiator circuit is below a specified value for specified time.

Flow Test Description

Step 2: Check whether malfunction is in side-air bag (inflator) module.

Step 3: Check side-air bag initiator circuit in floor harness.

Step 4: Check side-air bag initiator circuit in seat harness.

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 side-air bag (inflator) module connector under front seat cushion.
Check proper connection to left or right side-air bag (inflator) module at terminals in "L25" or "L30" connector.
If OK, then connect special tools (B) and (C) to side-air bag (inflator) module connector disconnected at the Step 1.
Special Tool

(B): 09932-75010

(C): 09932-78340





Check SDM DTC.

With ignition switch ON, is DTC B1323 or B1327 still indicated?
YES -
Go to Step 3.
NO -
Go to Step 4.

3. With ignition switch OFF, disconnect special tools and SDM connector "L33".
Release shorting bar in SDM connector inserting release tool (1) included in special tool (A).
Measure resistance between "L33-1" and body ground, and between "L33-2" and body ground (for DTC B1323) or "L33-3" and body ground, and between "L33-4" and body ground (for DTC B1327) with connected special tools (B) and (C).
Special Tool

(A): 09932-76010

(B): 09932-75010

(C): 09932-78340





Is resistance infinity?
YES -
Substitute a known-good SDM and recheck.
NO -
DTC B1323: Repair short from "GRY/RED" or "GRY" wire circuit to ground in floor harness.
DTC B1327: Repair short from "BRN/WHT" or "BRN" wire circuit to ground in floor harness.

4. With ignition switch OFF, disconnect special tools (B) and (C) then reconnect connector "L25" or "L30".
Disconnect side-air bag (inflator) module connector "Q07" or "Q05" from side-air bag (inflator) module.
Check proper connection to side-air bag (inflator) module at terminal in connector.
If OK, then connect special tools (A), (B) and (C) to side-air bag (inflator) connector.
Special Tool

(A): 09932-76010

(B): 09932-75010

(D): 09932-78310





Check SDM DTC.

With ignition switch ON, is DTC B1323 or B1327 still indicated?
YES -
DTC B1323: Repair short from "GRY/RED" or "GRY" wire circuit to ground in seat harness.
DTC B1327: Repair short from "BRN/WHT" or "BRN" wire circuit to ground in seat harness.
NO -
Replace side-air bag (inflator) module referring to Side-Air Bag (Inflator) Module Removal and Installation Side-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, ensure all components are properly mounted.
- Clear DTCs referring to DTC Clearance DTC Clearance:Except Advanced Air Bag
, if any.
- Repeat Air Bag Diagnostic System Check Air Bag Diagnostic System Check:Except Advanced Air Bag
to confirm that the trouble has been corrected.