Suzuki Grand Vitara JB416 / JB420. Manual — part 311

8B-40 Air Bag System:

2

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

and (C) or (D) from “G26” or “G27” connector and SDM
connector “G47” or “G46” from SDM respectively.

2) Release Shorting bar in SDM connector inserting

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

3) Measure voltage between “G47-5” terminal and body

ground, and between “G47-6” terminal and body ground
[A] or between “G46-1” terminal and body ground, and
between “G46-2” terminal and body ground [B].

Special tool
(A): 09932–76010
(B): 09932–75010
(C): 09932–78340
(D): 09932–77320

With ignition switch ON, is each measured value 4 V or less?

Substitute a known-
good SDM and recheck.

“GRN/RED” circuit or
“GRN” circuit shorted to
power supply circuit.

Step

Action

Yes

No

(C), (D)

“G26”, “G27”

(B)

BASE OF COLUMN

[A]

[B]

(A)

“G47-5”

“G47-6”

“G46-1”

“G46-2”

1, (A)

1, (A)

I5JB0A820031-02

Air Bag System: 8B-41

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 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) or (D) from “G26” or “G27” connector and
reconnect contact coil connector located under of the
steering column.

2) Remove driver air bag (inflator) module from steering

column referring to “Driver Air Bag (Inflator) Module
Removal and Installation”.

3) Check proper connection to driver air bag (inflator)

module connector.

4) 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

5) Check SDM DTC.

With ignition switch ON, is DTC B1034 indicated?

Turn ignition switch
OFF. Replace contact
coil assembly referring
to “Contact Coil Cable
Assembly Removal and
Installation in Section
6B”.

Turn ignition switch
OFF. Replace driver air
bag (inflator) module
referring to “Driver Air
Bag (Inflator) Module
Removal and
Installation”.

Step

Action

Yes

No

(A)

STEERING WHEEL

(B)

(E)

I5JB0A820028-01

8B-42 Air Bag System:

DTC B1041: Passenger Air Bag Initiator Circuit Resistance High

S5JB0A8204022

Wiring Diagram

CAUTION

!

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

DTC Will Set when
The combined resistance of the passenger air bag (inflator) module, harness wiring and connector terminal contact is
above a specified value for specified time.

Flow Test Description
Step 1: Check if malfunction is in passenger air bag (inflator) module.
Step 2: Check passenger air bag (inflator) module initiator circuit. (Between “G68” and “G65”)
Step 3: Check passenger air bag (inflator) module initiator circuit. (Between “G67” and “G47” or “G67” and
“G46”)

BLK

G47-20 GND

“G47”

1

2

4

3

RED

BLK

RED

BLK/YEL

“G01”

G47-16

IG

[A]

G47-4

G47-3

P1+

P1-

G46-16 GND

“G46”

G46-11

IG

[B]

G46-6

G46-5

P1+

P1-

“G47”

“G46”

[C]

BLU/RED

YEL/RED

BLU/RED

YEL/RED

“G65”

“G68”

“G67”

BLU/RED

YEL/RED

5

5

7

6

I5JB0A820032-01

[A]: Without side-air bag and curtain-air bag

1. From main fuse

4. Junction block assembly

7. Ground for air bag system

[B]: With side-air bag and curtain-air bag

2. Ignition switch

5. SDM

[C]: Shorting bar

3. “A/B” fuse

6. Passenger air bag (inflator) module

Air Bag System: 8B-43

DTC Troubleshooting

Step

Action

Yes

No

1

1) With ignition switch OFF, disconnect passenger air bag

(inflator) module connector.

2) Check proper connection to passenger air bag (inflator)

module at terminals in “G65” connector.

3) If OK, then connect special tools (A), (B) and (D) to

“G65” connector.

Special tool
(A): 09932–76010
(B): 09932–75010
(D): 09932–78310

4) Check SDM DTC.

With ignition switch ON, is DTC B1041 indicated?

Go to Step 2.

Turn ignition switch
OFF. Replace
passenger air bag
(inflator) module
referring to “Passenger
Air Bag (Inflator) Module
Removal and
Installation”.

2

1) With ignition switch OFF, disconnect “G67” connector

located near the glove box.

2) Check proper connection to instrument panel harness

connector at terminal “G67-1” and “G67-2”.

3) If OK, then connect special tools (B) and (C) to “G67”

connector disconnected in Step 1).

Special tool
(B): 09932–75010
(C): 09932–77320

4) Check SDM DTC.

With ignition switch ON, is DTC B1041 indicated?

Go to Step 3.

High resistance or open
wire “BLU/RED” or
“YEL/RED” circuit.
(Between “G68” and
“G65” connectors)

(B)

(D)

STEERING WHEEL

“G65”

(A)

I5JB0A820033-01

(B)

(C)

STEERING WHEEL

PASSENGER

DRIVER

“G67”

I5JB0A820034-01