1998 SUZUKI GRAND VITARA Diagnostic trouble code table

YH4
GRAND
VITARA
(A)
AIR BAG SYSTEM 10B-43
CODE 32 ± POWER SOURCE VOLTAGE LOW (Page 2 of 2)
NOTE:
Before executing items in this table, be sure to perform ªAir Bag Diagnostic Check Flow Tableº.
STEP
ACTIONYESNO
11) Measure voltage on battery.
2) Is voltage 11 V or more?Go to step 2.Check Charging System
and repair as necessary.
(Refer to SECTION 6H
ªChanging Systemº)
21) With ignition switch OFF, disconnect SDM.
2) Check proper connection to SDM at ªA16º
terminal.
3) If OK then ignition switch ON, and then check
voltage from ªA16º terminal on SDM harness
connector to body ground.
4) Is voltage 8 V or more?Go to step 4.Go to step 3.
31) With ignition switch OFF, disconnect ignition
connector (ªFº connector) in air bag harness.
2) Check proper connection at terminal in ªFº
connector.
3) If OK then ignition switch ON, and then check
voltage from terminal in ªFº connector on main
harness to body ground.
4) Is voltage 8 V or more?Repair poor connec-
tion, high resistance
in ªBI/Rº or ªBI/Bº
circuit of air bag
harness or
ªAIR BAGº fuse.Possibly faulty points are
as follows. Check each of
them and repair as
necessary.

Circuit from battery to
ªFº connector

Charging System
(Refer to SECTION
6H ªChanging Systemº)
41) With ignition switch OFF, reconnect SDM
2) With ignition switch ON, is DTC 32 current?Substitute a known-
good SDM and
recheck.Check Charging System
and repair as necessary.
(Refer to SECTION 6H
ªChanging Systemº)
Fig. for STEP 2
Special Tool
(A): 09932-76010
NOTE:
Upon completion of inspection and repair work, perform following items.
1) Reconnect all air bag system components, ensure all components are properly mounted.
2) Clear diagnostic trouble codes (refer to ªDiagnostic Trouble Code (DTC) Clearanceº), if any.
3) Repeat ªAir Bag Diagnostic System Check Flow Tableº, referring to p.10B-11 to confirm that the trouble
has been corrected.

YH4
GRAND
VITARA (A)
For DTC 45
ªA11º
ªA12º
(A)
For DTC 41
STEERING WHEEL 1. Pretensioner
harness
EXAMPLE: For driver side
AIR BAG SYSTEM 10B-45
CODE 41 ± DRIVER PRETENSIONER INITIATOR CIRCUIT RESISTANCE HIGH
CODE 45 ± PASSENGER PRETENSIONER INITIATOR CIRCUIT RESISTANCE HIGH
(Page 2 of 2)
NOTE:
Before executing items in this table, be sure to perform ªAir Bag Diagnostic Check Flow Tableº.
STEP
ACTIONYESNO
11) With ignition switch OFF, remove front
pillar lower trim of applicable side then
disconnect seat belt pretensioner
connector.
2) Check proper connection to applicable
seat belt pretensioner at terminals in ªGº
or ªHº connector.
3) If OK then connect Special Tool (B) to
seat belt pretensioner connector
disconnected at the step 1).
4) With ignition switch ON, is DTC 41 or
45 still current?Go to step 2.1) Ignition switch OFF.
2) Replace seat belt preten-
sioner (Refer to
SECTION 10A).
21) With ignition switch OFF, disconnect
SDM.
2) Check proper connection to SDM at
terminals ªA13º and ªA14º or ªA11º
and ªA12º.
3) If OK then measure resistance between
ªA13º and ªA14º terminals or ªA11º and
ªA12º terminals with connected Special
Tool (B).
4) Is resistance 2.9
or less?Substitute a known-
good SDM and recheck.DTC41:
Repair high resistance or
open in ªPº or ªWº wire
circuit.
DTC45:
Repair high resistance or
open in ªLgº or ªBrº wire
circuit.
Fig. for STEP 1 and 2 Fig. for STEP 2
Special Tool
(A): 09932-76010
(B): 09932-75010
NOTE:
Upon completion of inspection and repair work, perform following items.
1) Reconnect all air bag system components, ensure all components are properly mounted.
2) Clear diagnostic trouble codes (refer to ªDiagnostic Trouble Code (DTC) Clearanceº), if any.
3) Repeat ªAir Bag Diagnostic System Check Flow Tableº, referring to p.10B-11 to confirm that the trouble
has been corrected.

YH4
GRAND
VITARA (A)
For DTC 46
ªA11º
ªA12º
(A)
For DTC 42
2. Pretensioner
harnessSTEERING WHEEL
EXAMPLE: For driver side
AIR BAG SYSTEM 10B-47
CODE 42 ± DRIVER PRETENSIONER INITIATOR CIRCUIT RESISTANCE LOW
CODE 46 ± PASSENGER PRETENSIONER INITIATOR CIRCUIT RESISTANCE LOW
(Page 2 of 2)
NOTE:
Before executing items in this table, be sure to perform ªAir Bag Diagnostic Check Flow Tableº.
STEP
ACTIONYESNO
11) With ignition switch OFF, remove front
pillar lower trim of applicable side then
disconnect seat belt pretensioner
connector.
2) Check proper connection to applicable
seat belt pretensioner at terminals in ªGº
or ªHº connector.
3) If OK then connect Special Tool (B) to
seat belt pretensioner connector
disconnected at the step 1).
4) With ignition switch ON, is DTC 42 or
46 still current?Go to step 2.1) Ignition switch OFF.
2) Replace seat belt preten-
sioner (Refer to
SECTION 10A).
21) With ignition switch OFF, disconnect
SDM.
2) Check proper connection to SDM at
terminals ªA13º and ªA14º or ªA11º
and ªA12º.
3) If OK then measure resistance between
ªA13º and ªA14º terminals or ªA11º and
ªA12º terminals with connected Special
Tool (B).
4) Is resistance 1.7
or more?Substitute a known-
good SDM and recheck.DTC42:
Repair short from ªPº wire
circuit to ªWº wire circuit or
from ªPº or ªWº wire circuit to
other wire circuit.
DTC46:
Repair short from ªLgº wire
circuit to ªBrº wire circuit or
from ªLgº or ªBrº wire circuit
to other wire circuit.
Fig. for STEP 1 and 2 Fig. for STEP 2
Special Tool
(A): 09932-76010
(B): 09932-75010
NOTE:
Upon completion of inspection and repair work, perform following items.
1) Reconnect all air bag system components, ensure all components are properly mounted.
2) Clear diagnostic trouble codes (refer to ªDiagnostic Trouble Code (DTC) Clearanceº), if any.
3) Repeat ªAir Bag Diagnostic System Check Flow Tableº, referring to p.10B-11 to confirm that the trouble
has been corrected.

YH4
GRAND
VITARA (A)
ªA11º
(A)
1. Pretensioner
harness
For DTC 43
For DTC 47
STEERING WHEEL
EXAMPLE: For driver side
AIR BAG SYSTEM 10B-49
CODE 43 ± DRIVER PRETENSIONER INITIATOR CIRCUIT SHORT TO GROUND
CODE 47 ± PASSENGER PRETENSIONER INITIATOR CIRCUIT SHORT TO GROUND
(Page 2 of 2)
NOTE:
Before executing items in this table, be sure to perform ªAir Bag Diagnostic Check Flow Tableº.
STEP
ACTIONYESNO
11) With ignition switch OFF, remove front
pillar lower trim of applicable side then
disconnect seat belt pretensioner
connector.
2) Check proper connection to applicable
seat belt pretensioner at terminals in ªGº
or ªHº connector.
3) If OK then connect Special Tool (B) to
seat belt pretensioner connector
disconnected at the step 1).
4) With ignition switch ON, is DTC 43 or 47
still current?Go to step 2.1) Ignition switch OFF.
2) Replace seat belt preten-
sioner (Refer to
SECTION 10A).
21) With ignition switch OFF, disconnect
Special Tool (B) and SDM.
2) Measure resistance between ªA13º or
ªA11º and ªA10º terminals.
3) Is resistance 1 k
or more?Substitute a known-
good SDM and recheck.DTC43:
Repair short ªPº or ªWº wire
circuit to ground.
DTC47:
Repair short from ªLgº or ªBrº
wire circuit to ground.
Fig. for STEP 1 and 2 Fig. for STEP 2
Special Tool
(A): 09932-76010
(B): 09932-75010
NOTE:
Upon completion of inspection and repair work, perform following items.
1) Reconnect all air bag system components, ensure all components are properly mounted.
2) Clear diagnostic trouble codes (refer to ªDiagnostic Trouble Code (DTC) Clearanceº), if any.
3) Repeat ªAir Bag Diagnostic System Check Flow Tableº, referring to p.10B-11 to confirm that the trouble
has been corrected.

YH4
GRAND
VITARA (A)
(A)1. Pretensioner
harness
For DTC 44
For DTC 48
STEERING WHEEL
EXAMPLE: For driver side
AIR BAG SYSTEM 10B-51
CODE 44 ± DRIVER PRETENSIONER INITIATOR CIRCUIT SHORT TO POWER CIRCUIT
CODE 48 ± PASSENGER PRETENSIONER INITIATOR CIRCUIT SHORT TO POWER CIRCUIT
(Page 2 of 2)
NOTE:
Before executing items in this table, be sure to perform ªAir Bag Diagnostic Check Flow Tableº.
STEP
ACTIONYESNO
11) With ignition switch OFF, remove front pillar
lower trim of applicable side then
disconnect seat belt pretensioner connector.
2) Check proper connection to applicable
seat belt pretensioner at terminals in ªGº or
ªHº connector.
3) If OK then connect Special Tool (B) to
seat belt pretensioner connector
disconnected at the step 1).
4) With ignition switch ON, is DTC 44 or 48
still current?Go to step 2.1) Ignition switch OFF.
2) Replace seat belt
pretensioner (Refer
to SECTION 10A).
21) With ignition switch OFF, disconnect Special
Tool (B) and SDM.
2) Measure voltage from ªA14º or ªA12º
terminal to body ground.
3) With ignition switch ON, is voltage 1 V or
less?Substitute a known-
good SDM and recheck.DTC44:
Repair short ªPº or ªWº
wire circuit to power
circuit.
DTC48:
Repair short from ªLgº or
ªBrº wire circuit to power
circuit.
Fig. for STEP 1 and 2 Fig. for STEP 2
Special Tool
(A): 09932-76010
(B): 09932-75010
NOTE:
Upon completion of inspection and repair work, perform following items.
1) Reconnect all air bag system components, ensure all components are properly mounted.
2) Clear diagnostic trouble codes (refer to ªDiagnostic Trouble Code (DTC) Clearanceº), if any.
3) Repeat ªAir Bag Diagnostic System Check Flow Tableº, referring to p.10B-11 to confirm that the trouble
has been corrected.

YH4
GRAND
VITARA
10B-52 AIR BAG SYSTEM
CODE 51 ± FRONTAL CRASH DETECTED (SYSTEM ACTIVATION COMMAND IS OUT-
PUTTED)
DTC WILL SET WHEN:
The SDM detects a frontal crash of sufficient force to warrant activation of the air bag system. (SDM outputs a de-
ployment/activation command.)
NOTE:
Before executing items in this table, be sure to perform ªAir Bag Diagnostic Check Flow Tableº.
STEP
ACTIONYESNO
11) Ignition switch OFF.
2) Has air bag system deployed?Replace components and
perform inspections as
directed in ªRepairs and
Inspections Required after
an Accidentº in this section.Go to step 2.
21) Inspect front of vehicle and
undercarriage for signs of impact.
2) Are there signs of impact?Replace components and
perform inspections as
directed in ªRepairs and
Inspections Required after
an Accidentº in this section.Substitute a known-good
SDM and recheck.
NOTE:

CODE 51 can never be cleared once it has been set.

Upon completion of inspection and repair work, perform following items.
1) Replace SDM.
2) Reconnect all air bag system components, ensure all components are properly mounted.
3) Repeat ªAir Bag Diagnostic System Check Flow Tableº, referring to p.10B-11 to confirm that the
trouble has been corrected.

YH4
GRAND
VITARA
10B-54 AIR BAG SYSTEM
CODE 61 ± ªAIR BAGº WARNING LAMP CIRCUIT FAILURE (Page 2 of 2)
NOTE:
Before executing items in this table, be sure to perform ªAir Bag Diagnostic System Check Flow Tableº.
STEP
ACTIONYESNO
11) This DTC is set when there is a trouble in
ªAIR BAGº warning lamp circuit. Failure to
properly perform ªAir Bag Diagnostic System
Check Flow Tableº may also result in
misdiagnosis. Therefore, check ªAIR BAGº
warning lamp circuit again according to ªAir
Bag Diagnostic System Check Flow Tableº.
2) Is ªAIR BAGº warning lamp circuit in good
condition?Go to step 2.Repair ªAIR BAGº
warning lamp circuit.
21) Clear diagnostic trouble codes.
2) Is DTC 61 set ?Substitute a known-
good SDM and recheck.Recheck air bag system,
referring to ªAir Bag
Diagnostic System
Check Flow Tableº.
NOTE:
Upon completion of inspection and repair work, perform following items.
1) Reconnect all air bag system components, ensure all components are properly mounted.
2) Repeat ªAir Bag Diagnostic System Check Flow Tableº, referring to p. 10B-11 to confirm that the trouble
has been corrected.
CODE 71 ± INTERNAL SDM FAULT
DTC WILL SET WHEN:
An internal SDM fault is detected by SDM.
NOTE:
CODE 71 can never be cleared once it has been set.
1) Ignition switch OFF.
2) Replace SDM.
3) Repeat ªAir Bag Diagnostic System Check Flow Tableº, referring to p.10B-11.

YH4
GRAND
VITARA
1. SDM
2. SDM connector
3. SDM plate
4. SDM cover
1. Air bag wire harness
2. Ground
3. SDM case ground
AIR BAG SYSTEM 10B-65

Passenger air bag (inflator) module
± Check for dents, cracks, damage or fitness.
± Check trim cover for cracks or deformities.
± Check harness and connector for damage or tightness.
If any faulty condition is found in above checks, replace.

SDM and SDM plate
± Check for external damage such as deformation, scratch,
crack, peeled paint, etc.
± Check whether SDM can installed properly due to a cause in it-
self. (There is a gap between SDM and SDM plate, or it cannot
be fixed securely.)
± Check whether connector or lead wire of SDM has a scorching,
melting or damage.
± Check whether connector can be connected securely or locked.
± Check SDM connector and terminals for tightness.
± Check SDM sets a diagnostic trouble code and the diagnostic
table leads to a malfunctioning SDM.
If any faulty condition is found in above checks, replace.

Air bag wire harness and connections
± Check for damages, deformities or poor connections.
(Refer to ªIntermittent And Poor Connectionsº in this section.)
± Check wire harness clamps for tightness.
If any faulty condition is found, correct or replace.