Suzuki Grand Vitara JB627. Manual — part 313

8B-78 Air Bag System:

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”, if any.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.

3

1) With ignition switch OFF, disconnect special tools (B)

and (C) then reconnect connector “L25” or “L30”.

2) Disconnect side-air bag (inflator) module connector

“Q02” or “Q03” from side-air bag (inflator) module.

3) Check proper connection to side-air bag (inflator)

module at terminal in connector.

4) 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

5) Check SDM DTC.

With ignition switch ON, is DTC B1322 or B1326 still
indicated?

DTC B1322: Repair
short from “GRY/RED”
wire circuit to “GRY”
wire circuit in seat
harness or from “GRY/
RED” or “GRY” wire
circuit to other wire
circuit.
DTC B1326: Repair
short from “BRN/WHT”
wire circuit to “BRN”
wire circuit in seat
harness or from “BRN/
WHT” or “BRN” wire
circuit to other wire
circuit.

Replace side-air bag
(inflator) module
referring to “Side-Air
Bag (Inflator) Module
Removal and
Installation”.

Step

Action

Yes

No

“L25”, “L30”

STEERING WHEEL

(B)

(D)

(A)

“Q02”, “Q03”

I5JB0A820046-02

Air Bag System: 8B-79

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

S6JB0B8204034

Wiring Diagram
Refer to “DTC B1321 / B1325: Left / Right Side-Air Bag Initiator Circuit Resistance High”.

CAUTION

!

Be sure to observe instructions under CAUTION in “Air Bag Diagnostic System Check Flow”.

DTC Will 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 1: Check whether malfunction is in side-air bag (inflator) module.
Step 2: Check side-air bag initiator circuit in floor harness.
Step 3: Check side-air bag initiator circuit in seat harness.

DTC Troubleshooting

Step

Action

Yes

No

1

1) With ignition switch OFF, disconnect side-air bag

(inflator) module connector under front seat cushion.

2) Check proper connection to left or right side-air bag

(inflator) module at terminals in “L25” or “L30” connector.

3) 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

4) Check SDM DTC.

With ignition switch ON, is DTC B1323 or B1327 still
indicated?

Go to Step 2.

Go to Step 3.

“L25”, “L30”

(C)

(B)

STEERING WHEEL

I4RS0A820032-01

8B-80 Air Bag System:

2

1) With ignition switch OFF, disconnect special tools and

SDM connector “L33”.

2) Release shorting bar in SDM connector inserting release

tool (1) included in special tool (A).

3) 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?

Substitute a known-
good SDM and recheck.

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.

Step

Action

Yes

No

“L25”, “L30”

(C)

(B)

STEERING WHEEL

“L33-1”

“L33-2” “L33-3” “L33-4”

(A)

1, (A)

I5JB0A820047-01

Air Bag System: 8B-81

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”, if any.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.

3

1) With ignition switch OFF, disconnect special tools (B)

and (C) then reconnect connector “L25” or “L30”.

2) Disconnect side-air bag (inflator) module connector

“Q02” or “Q03” from side-air bag (inflator) module.

3) Check proper connection to side-air bag (inflator)

module at terminal in connector.

4) 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

5) Check SDM DTC.

With ignition switch ON, is DTC B1323 or B1327 still
indicated?

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.

Replace side-air bag
(inflator) module
referring to “Side-Air
Bag (Inflator) Module
Removal and
Installation”.

Step

Action

Yes

No

“L25”, “L30”

STEERING WHEEL

(B)

(D)

(A)

“Q02”, “Q03”

I5JB0A820046-02