Isuzu 1999 RODEO Workshop Manual page 2571

9J1–10 RESTRAINT CONTROL SYSTEM
Chart C "AIR BAG" Warning Lamp Does Not Comes "ON" Steady
Circuit Description:
When the ignition switch is first turned "ON", "ignition 1"
voltage is applied from the "MA01" meter fuse to the "AIR
BAG" warning lamp which is connected to "SRS warning
lamp", terminal "7". The "SRS–1" fuse apply system
voltage to the "ignition 1" inputs, terminals "12". The SDM
responds by flashing the "AIR BAG" warning lamp seven
times. If "ignition 1" voltage is more than 16 volts, the
"AIR BAG" warning lamp will be still "OFF" solid with no
DTCs set.
Chart Test Description:
Number(s) below refer to step number(s) on the
diagnostic chart:
1. This test decides whether power is available to SDM
warning lamp power feed circuit.
2. This test determines whether the voltage is present
in the warning lamp circuit.
3. This test determines if the malfunction is in the
instrument cluster.
4. This test checks for open in the warning lamp
circuitry.
5. This test isolates the IB04–GRN circuit and checks
for a short in the IB04–GRN circuit to B+.
8. This test checks for a short from the SDM warning
lamp power feed circuit to ground.
9. This test determines whether the short to ground is
due to a short in the wiring.
D09RW002