Suzuki Ignis Service Manual page 3918

TABLE TEST DESCRIPTION
Table A: "AIR BAG" Warning Lamp Come ON Steady
STEP 1: Check for "AIR BAG" fuse blown.
STEP 2: Check for loose connection between floor wire harness and instrument panel wire harness.
STEP 3: Check for loose connection between SDM connector and SDM.
STEP 4: Check for power supply circuit.
STEP 5: Check for short circuit between "AIR BAG" warning lamp circuit and ground.
Table B: "AIR BAG" Warning Lamp Does Not Come ON
STEP 1: Check for combination meter power supply circuit.
STEP 2: Check for "AIR BAG" warning lamp blown.
STEP 3: Check for open circuit in "AIR BAG" warning lamp circuit.
STEP 4: Check for short circuit between "AIR BAG" warning lamp circuit and power supply circuit.
Table C: "AIR BAG" Warning Lamp Flashes
Check for short circuit between diagnosis switch circuit and ground.
DIAGNOSTIC FLOW TABLE
Table A: "AIR BAG" Warning Lamp Come ON Steady
Step
1 1) Ignition switch turn to OFF position.
2) Remove and inspect "AIR BAG" fuse.
Is fuse good?
2 1) Check for loose connection between "G75"
and "L63" connectors.
Is connection good?
3 1) Check for loose connection between SDM
connector "L21" and SDM.
Is connection good?
4 1) Disconnect SDM connector "L21".
2) Turn ignition switch to ON position.
3) Measure voltage between "L21-32" terminal
and body ground.
Is it 10 – 14V?
5 1) Disconnect "G22" connector from combina-
tion meter referring to "Combination meter"
in Section 8.
2) Release shorting bar of "L21-30" terminal
inserting release tool (A).
3) Measure resistance between "L21-30" ter-
minal and body ground.
Is resistance infinity?
Action Yes
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 5.
Substitute a known-good
SDM and recheck.
AIR BAG SYSTEM 10B-17
No
Clear up short circuit
between "RED" wire and
ground.
After clearing up, replace
"AIR BAG" fuse.
Clear up loose connection
between "G75" and "L63"
connectors.
Clear up loose connection
between SDM connector
"L21" and SDM.
Check and clear up the
following possible cause.
• Open circuit in "RED"
or "BLK/YEL" wire.
• Short circuit between
"BLK/YEL" and ground.
Clear up short circuit
between "YEL/RED" wire
and ground.