2007 ISUZU KB P190 Workshop Repair Manual

Page 601 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 5A-8   BRAKE CONTROL SYSTEM 
Pressure Isolation (Pressure Maintain) 
The electronic-hydraulic control unit is activated when  
the brakes are applied.   
If the information from the wheel speed sensor

Page 602 of 6020

ISUZU KB P190 2007  Workshop Repair Manual BRAKE CONTROL SYSTEM   5A-9 
Pressure Reduction 
Once the brake pressure is isolated, it must be reduced  
to allow the wheels to unlock. This is accomplished by 
dumping a portion of the brake fluid

Page 603 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 5A-10   BRAKE CONTROL SYSTEM 
Brake Release 
At the end of the anti-lock stop, when the brake pedal is  
released, the pump will remain running for a short time 
to help drain any fluid from the accum

Page 604 of 6020

ISUZU KB P190 2007  Workshop Repair Manual BRAKE CONTROL SYSTEM   5A-11 
Circuit Diagram  
With 4JA1 engine  
  
 
 RTW 78AXF007201  
 
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ISUZU KB P190 2007

Page 605 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 5A-12   BRAKE CONTROL SYSTEM 
  
With HFV6 engine  
  
 
 
RTW 78AXF012801  
 
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TO MODEL INDEX
ISUZU KB P190 2007

Page 606 of 6020

ISUZU KB P190 2007  Workshop Repair Manual BRAKE CONTROL SYSTEM   5A-13 
  
Except with 4JA1, HFV6 engine  
  
 
 RTW 78AXF018701  
 
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TO MODEL INDEX
ISUZU KB P190 2007

Page 607 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 5A-14   BRAKE CONTROL SYSTEM 
Connector List 
No.  Connector face  No. Connector face 
B-23 
White 
 
Meter-A  C-36 
SilverEngine room - LH ; Ground 
B-24 
White 
 
Meter-B  C-44 
WhiteStoplight switc

Page 608 of 6020

ISUZU KB P190 2007  Workshop Repair Manual BRAKE CONTROL SYSTEM   5A-15 
 
No.  Connector face  No. Connector face 
H-6 
White 
Engine room ~ INST  P-7 
 Battery (ALT) 
H-7 
White 
Engine room ~ INST  P-10 
SilverEngine ground 
H-9 
White 
Eng