Suzuki Grand Vitara JB416 / JB420. Manual — part 306

8B-20 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.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.

5

1) Disconnect combination meter connector “G28” referring

to “Combination Meter Removal and Installation in
Section 9C”.

2) Check proper connection to combination meter at “YEL/

BLK” terminal for “AIR BAG” warning lamp and to SDM
at terminal “G47-18” or “G46-7”.

3) If OK, then check resistance between “YEL/BLK” wire

terminal of combination meter connector “G28” and
“G47-18” terminal [A] or “G46-7” terminal [B] of SDM
connector.

Special tool
(A): 09932–76010

Is resistance 1

Ω

or less?

Substitute a known-
good SDM and recheck.
If “AIR BAG” warning
lamp remain lighting,
replace combination
meter.

“YEL/BLK” wire
(between combination
meter and SDM
connector) open or
short to ground.

Step

Action

Yes

No

(A)

[A]

[B]

“G47-18”

“G46-7”

I5JB0A820019-01

Air Bag System: 8B-21

“AIR BAG” Warning Lamp Does Not Come ON

S5JB0A8204008

Wiring Diagram
Refer to ““AIR BAG” Warning Lamp Comes ON Steady”.

CAUTION

!

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

Flow Test Description
Step 1: Check combination meter power feed circuit.
Step 2: Check “AIR BAG” warning lamp circuit.

Troubleshooting

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

Step

Action

Yes

No

1

1) Set parking brake.
2) Note combination meter when ignition switch is turned

ON.

Does the “BRAKE” indicator (warning lamp) come ON?

Go to Step 2.

Check and correct the
following possible
cause.

• Open circuit in

“BLK/YEL” or “PPL/
RED” wire.

• Short

circuit between “BLK/
YEL” or “PPL/RED” and
ground.

• “METER” fuse

blown.

2

1) Disconnect SDM connector “G46” or “G47”.
2) Note combination meter when ignition switch is turned

ON.

Does the “AIR BAG” warning lamp come ON?

Substitute a known-
good SDM and recheck.

“YEL/BLK” circuit
shorted to power circuit.
If OK, replace
combination meter.

8B-22 Air Bag System:

“AIR BAG” Warning Lamp Flashes

S5JB0A8204009

Wiring Diagram

CAUTION

!

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

Flow Test Description
Step 1: Check that vehicle is equipped with or without “AIR BAG” monitor connector.
Step 2: Check “AIR BAG” monitor coupler.
Step 3, 4: Check for short circuit between diagnosis switch circuit and ground.

Troubleshooting

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

G47-14 DNS

BLK

G47-18

G47-20

L2

L1

GND

WL

“G47”

12V

1

2

6

8

4

5

RED

PPL/RED

BLK/YEL

YEL/BLK

“G01”

7

“G28”

“G03”

G47-16

IG

[A]

G46-7

G46-16

L2

L1

GND

WL

“G46”

L4

L3

12V

G46-11

IG

[B]

L6

L5

PPL/WHT

PPL

BLK

RED

YEL/BLK

PPL/WHT

PPL

“G34”

G46-9

ST

ST

G47-13

12V

12V

5V

G46-12 DNS

5V

11

12

3

14

9

13

13

9

9

9

10

I5JB0A820020-01

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

bag

3. Junction block assembly

7. Lamp driver

11. To ECM, TCM, BCM, ABS hydraulic unit /

control module assembly and 4WD
control module

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

4. “A/B” fuse

8. “AIR BAG” warning lamp

12. “AIR BAG” monitor coupler (if equipped)

1. From main fuse

5. “METER” fuse

9. Connection detection pin

13. SDM

2. Ignition switch

6. Combination meter

10. To DLC

14. Ground for air bag system

Step

Action

Yes

No

1

Is vehicle equipped with “AIR BAG” monitor connector?

Go to Step 2.

Go to Step 3.

2

Check “AIR BAG” monitor coupler.

Is the diagnosis switch terminal in “AIR BAG” monitor
coupler connected to body ground with service wire?

Remove service wire.

Go to Step 3.

3

1) With ignition switch OFF, disconnect SDM connector

“G47” or “G46”.

2) Check “G47-14” or “G46-12” terminal of SDM connector.

Is it shorted to ground terminal or harness?

Clean up terminal or
harness.

Substitute a known-
good SDM and recheck.

Air Bag System: 8B-23

“AIR BAG” Warning Lamp Cannot Indicate Flashing Pattern of DTC (If Equipped with “AIR BAG”
Monitor Coupler)

S5JB0A8204049

Wiring Diagram
Refer to ““AIR BAG” Warning Lamp Flashes”.

CAUTION

!

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

Flow Test Description
Step 1: Check “AIR BAG” monitor coupler.
Step 2: Check for open circuit in air bag diagnosis switch circuit.

Troubleshooting

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

Step

Action

Yes

No

1

Inspect connection between diagnostic switch terminal on
“AIR BAG” monitor coupler and body ground with service
wire.

Are they connected securely with service wire?

Go to Step 2.

Properly connect
diagnostic switch
terminal on “AIR BAG”
monitor coupler and
body ground with
service wire.

2

1) Disconnect SDM connector from SDM.
2) Check for proper connection at “PPL” wire (“G47-14”

terminal or “G46-12” terminal of SDM connector and
“G34-2” terminal of “AIR BAG” monitor coupler (1))
terminals.

3) If OK, then measure resistance between “G47-14”

terminal [A] or “G46-12” terminal [B] and “G34-2”
terminal.

Special tool
(A): 09932–76010

Is resistance 1

Ω

or more?

Check “PPL” wire
terminals. If OK, repair
high resistance or open
in “PPL” wire circuit.

Substitute a known
good SDM and recheck.

[A]

[B]

(A)

1

“G47-14”

“G46-12”

“G34-2”

I5JB0A820021-02