2007 ISUZU KB P190 Workshop Repair Manual

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ISUZU KB P190 2007  Workshop Repair Manual 5A-80   BRAKE CONTROL SYSTEM 
DTC C0277 (Flash Code 77) System Voltage Low  
DTC C0278 (Flash Code 78) System Voltage High 
  
 
 
 
 
RTW 75ALF000301 
 Step Action  Value(s) Yes  No 
1  W ere the ste

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ISUZU KB P190 2007  Workshop Repair Manual BRAKE CONTROL SYSTEM   5A-81 
Step Action 
Value(s) Yes  No 
5    1. Check the power supply circuit. 
(Check circuit for an open, short to ground, or short  
to voltage.) 
  2. If a problem is found,

Page 675 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 5A-82   BRAKE CONTROL SYSTEM 
DTC C0282 (Flash Code 82) 4 Wheel Drive State Input Signal Failure 
  
 
 
   
RTW 75AMF001501 
 
Step Action  Value(s) Yes  No 
1  W ere the steps of the “Basic Diagno

Page 676 of 6020

ISUZU KB P190 2007  Workshop Repair Manual BRAKE CONTROL SYSTEM   5A-83 
Step Action 
Value(s) Yes  No 
5  1. Ignition "OFF". 
  2. Connect 2-4W D control unit.  
 3. Disconnect EHCU. 
  4. Ignition "ON," engine "OFF." 
  5. Install the high i

Page 677 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 5A-84   BRAKE CONTROL SYSTEM 
DTC C0285 (Flash Code 85) Control Module Vehicle Options Incorrect 
  
 
 
   
RTW 75AMF001501 
 
Step Action  Value(s)  Yes No 
1  W ere the steps of the “Basic Diagno

Page 678 of 6020

ISUZU KB P190 2007  Workshop Repair Manual BRAKE CONTROL SYSTEM   5A-85 
Step Action  Value(s)  Yes No 
4  1. Ignition "OFF". 
  2. Check for a poor condition at the EHCU harness connector. 
  3. Check the EHCU circuit for an open, short to  g

Page 679 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 5A-86   BRAKE CONTROL SYSTEM 
Special Tools 
 
ILLUSTRATION  TOOL NO. 
TOOL NAME 
  5–8840–0366–0 
High impedance  multimeter  
 5–8840–2835–0
 
Connector Test Adapter Kit (W ith Test Lamp

Page 680 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ANTI-LOCK BRAKE SYSTEM  5B-1 
SECTION 5B 
ANTI-LOCK BRAKE SYSTEM 
TABLE OF CONTENTS  PAGE 
Ser vice Precau tion  .......................................................................................