2007 ISUZU KB P190 Workshop Repair Manual

Page 665 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 5A-72   BRAKE CONTROL SYSTEM 
DTC C0265 (Flash Code 65) Valve Relay Circuit Malfunction 
  
 
 
 
 
RTW 75ALF000301 
 Step Action  Value(s) Yes  No 
1  W ere the steps of the “Basic Diagnostic Flow

Page 666 of 6020

ISUZU KB P190 2007  Workshop Repair Manual BRAKE CONTROL SYSTEM   5A-73 
Step Action 
Value(s) Yes  No 
3    1. Ignition “ON”, engine “OFF”. 
  2. Select “Display DTCs” with the Tech 2. Note: Perform the various tests (actuator tes

Page 667 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 5A-74   BRAKE CONTROL SYSTEM 
DTC C0267 (Flash Code 67) Return Pump Circuit Malfunction 
  
 
 
 
 
RTW 75ALF000301 
 Step Action  Value(s) Yes  No 
1  W ere the steps of the “Basic Diagnostic Flow

Page 668 of 6020

ISUZU KB P190 2007  Workshop Repair Manual BRAKE CONTROL SYSTEM   5A-75 
Step Action 
Value(s) Yes  No 
3    1. Ignition “ON”, engine “OFF”. 
  2. Select “Display DTCs” with the Tech 2. Note: Perform the various tests (actuator tes

Page 669 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 5A-76   BRAKE CONTROL SYSTEM 
DTC C0271 (Flash Code 71) ECU Malfunction 
  
 
 
 
 
RTW 75ALF000301 
 Step Action  Value(s) Yes  No 
1  W ere the steps of the “Basic Diagnostic Flow Chart” 
perfor

Page 670 of 6020

ISUZU KB P190 2007  Workshop Repair Manual BRAKE CONTROL SYSTEM   5A-77 
3    1. Ignition “ON”, engine “OFF”. 
  2. Select “Display DTCs” with the Tech 2. Note: Perform the various tests (actuator test, test  
run, brake test, etc.

Page 671 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 5A-78   BRAKE CONTROL SYSTEM 
DTC C0276 (Flash Code 76) G Sensor Malfunction 
  
 
 
   
RTW 75AMF001501 
 
Step Action  Value(s) Yes  No 
1  W ere the steps of the “Basic Diagnostic Flow Chart”

Page 672 of 6020

ISUZU KB P190 2007  Workshop Repair Manual BRAKE CONTROL SYSTEM   5A-79 
Step Action 
Value(s) Yes  No 
6    1. Remove the G sensor. 
  2. Reconnect G sensor and EHCU  
  3. Install the Tech 2.   
  4. Ignition "ON", engine "OFF". 
  5. Observ