2007 ISUZU KB P190 ignition

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Page 5706 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 9A1-24  RESTRAINT CONTROL SYSTEM 
 
DTC Will Clear When 
The “Passenger Bag Low" voltage comes to specified 
voltage.  
 
DTC Chart Test Description 
Number(s) below refer to circled number(s) on th

Page 5708 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 9A1-26  RESTRAINT CONTROL SYSTEM 
 
DTC B0019 (Flash Code 19) Passenger Air Bag Squib Circuit Short to Battery  
Voltage 
 
 
   
RTW 79ALF000301 
 
Circuit Description 
W hen the ignition switch is t

Page 5709 of 6020

ISUZU KB P190 2007  Workshop Repair Manual RESTRAINT CONTROL SYSTEM  9A1-27 
 
DTC Will Clear When 
The SRS control unit is replaced and the “Passenger
Bag Low" voltage comes to specified voltage.  
 
DTC Chart Test Description 
Number(s) be

Page 5710 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 9A1-28  RESTRAINT CONTROL SYSTEM 
 
DTC B0021 (Flash Code 21) Driver Air Bag Squib Circuit High Resistance  
 
 
 
 
RTW 79ALF000301 
 
Circuit Description 
W hen the ignition switch is turned “ON

Page 5711 of 6020

ISUZU KB P190 2007  Workshop Repair Manual RESTRAINT CONTROL SYSTEM  9A1-29 
 
DTC Will Set When 
The combined resistance of the driver air bag  
assembly, the SRS Coil assembly, the harness wiring
circuits “Driver Bag High” and “Driver

Page 5712 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 9A1-30  RESTRAINT CONTROL SYSTEM 
 
Step Action  Yes  No 
4  
1. Disconnect and inspect the SRS coil assembly yellow 
connector located at the base of the steering column. 
  2. If ok, reconnect the S

Page 5713 of 6020

ISUZU KB P190 2007  Workshop Repair Manual RESTRAINT CONTROL SYSTEM  9A1-31 
 
DTC B0022 (Flash Code 22) Driver Air Bag Squib Circuit Low Resistance  
 
 
 
 
RTW 79ALF000301 
 
Circuit Description 
W hen the ignition switch is turned “ON”

Page 5714 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 9A1-32  RESTRAINT CONTROL SYSTEM 
 
DTC Will Set When 
The combined resistance of the driver air bag 
assembly, SRS Coil assembly, harness wiring circuits
“Driver Bag High” and “Driver Bag Low