Suzuki Grand Vitara JB627. Manual — part 309

8B-62 Air Bag System:

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 (A),

(B) and (C) or (D) and SDM connector “G47” or “L33”.

2) Release shorting bar in SDM connector inserting release

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

3) Measure resistance between “G47-7” and body ground,

“G47-8” and body ground (for DTC B1053) or “G47-1”
and body ground, “G47-2” and body ground (for DTC
B1057) [A], or between “L33-5” and body ground, “L33-
6” and body ground (for DTC B1053) or “L33-7” and
body ground, “L33-8” and body ground (for DTC B1057)
[B].

Special tool
(A): 09932–76010
(B): 09932–75010
(C): 09932–78310
(D): 09932–77320

Is resistance infinity?

Substitute a known-
good SDM and recheck.

DTC B1053: “GRN/
ORN” circuit or “GRN/
YEL” circuit shorted to
ground. (Between “G55”
and “G47” connectors or
between “L12” and
“L33” connectors)
DTC B1057: “BLU/
ORN” circuit or “BLU/
YEL” circuit shorted to
ground. (Between “G55”
and “G47” connectors or
between “L36” and
“L33” connectors)

Step

Action

Yes

No

BASE OF COLUMN

PASSENGER INFLATOR

[A]

“L12”, “L36”

[B]

(C)

(B)

(A)

STEERING WHEEL

1, (A)

(A)

(A)

(B)

(D)

“G55”

“G47-1”

“G47-2”

“G47-7”

“G47-8”

“L33-5”

“L33-6”

“L33-7”

“L33-8”

1, (A)

I5JB0A820042-01

Air Bag System: 8B-63

DTC B1054 / B1058: Driver / Passenger Pretensioner Initiator Circuit Short to Power Circuit

S6JB0B8204026

Wiring Diagram
Refer to “DTC B1051 / B1055: Driver / Passenger Pretensioner 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 driver or passenger seat belt pretensioner initiator circuit is above a specified value for
specified time.

Flow Test Description
Step 1: Check if malfunction is in seat belt pretensioner.
Step 2: Check seat belt pretensioner initiator circuit. (Between “L29” and “L12” or “L29” and “L36”)
Step 3: Check seat belt pretensioner initiator circuit. (Between “G55” and “G47”, “L12” and “L33” or “L36”
and “L33”)

DTC Troubleshooting

Step

Action

Yes

No

1

1) With ignition switch OFF, remove center pillar lower trim

of driver or passenger side and disconnect seat belt
pretensioner connector “L12” and “L36” (1).

2) Check proper connection to seat belt pretensioner at

terminals in “L12” or “L36” connector.

3) If OK, then connect special tools (A), (B) and (C) to “L12”

or “L36” connector disconnected in Step 1).

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

4) Check SDM DTC.

With ignition switch ON, is DTC B1054 or B1058 still
indicated?

Without side-air bag and
curtain-air bag: go to
Step 2.
With side-air bag and
curtain-air bag: go to
Step 3.

Turn ignition switch
OFF. Replace seat belt
pretensioner referring to
“Front Seat Belt
Removal and
Installation in Section
8A”.

(C)

(A)

(B)

“L12”, “L36”

STEERING WHEEL

I5JB0A820039-01

8B-64 Air Bag System:

2

1) With ignition switch OFF, disconnect “G55” connector

located near the console box.

2) Check proper connection to applicable seat belt

pretensioner at terminal in “G55” connector.

3) If OK, then connect special tools (B) and (D) to “G55”

connector.

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

4) Check SDM DTC.

With ignition switch ON, is DTC B1054 or B1058 still
indicated?

Go to Step 3.

DTC B1054: “GRN/
ORN” or “GRN/YEL”
circuit shorted to power
supply circuit. (Between
“L29” and “L12”
connectors)
DTC B1058: “BLU/
ORN” circuit or “BLU/
YEL” circuit shorted to
power supply circuit.
(Between “L29” and
“L36” connectors)

Step

Action

Yes

No

BASE OF COLUMN

PASSENGER INFLATOR

(B)

(D)

“G55”

I5JB0A820040-01

Air Bag System: 8B-65

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 (A),

(B) and (C) or (D) and SDM connector “G47” or “L33”.

2) Release shorting bar in SDM connector inserting release

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

3) Measure voltage between “G47-7” and body ground,

“G47-8” and body ground (for DTC B1053) or “G47-1”
and body ground, “G47-2” and body ground (for DTC
B1057) [A], or between “L33-5” and body ground, “L33-
6” and body ground (for DTC B1053) or “L33-7” and
body ground, “L33-8” and body ground (for DTC B1057)
[B].

Special tool
(A): 09932–76010
(B): 09932–75010
(C): 09932–78310
(D): 09932–77320

With ignition switch ON, is voltage 4 V or less?

Substitute a known-
good SDM and recheck.

DTC B1054: “GRN/
ORN” circuit or “GRN/
YEL” circuit shorted to
power supply circuit.
(Between “G55” and
“G47” connectors or
between “L12” and
“L33” connectors)
DTC B1058: “BLU/
ORN” circuit or “BLU/
YEL” circuit shorted to
power supply circuit.
(Between “G55” and
“G47” connectors or
between “L36” and
“L33” connectors)

Step

Action

Yes

No

BASE OF COLUMN

PASSENGER INFLATOR

[A]

“L12”, “L36”

[B]

(C)

(B)

(A)

STEERING WHEEL

(A)

1, (A)

(A)

(B)

(D)

1, (A)

“G47-1”

“G47-2”

“G47-7” “G47-8”

“L33-8”

“L33-5”

“L33-6”

“L33-7”

“G55”

I5JB0A820043-01

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