Circuit ISUZU KB P190 2007 Workshop Repair Manual

ISUZU KB P190 2007 Workshop Repair Manual KB P190 2007 ISUZU ISUZU https://www.carmanualsonline.info/img/61/57177/w960_57177-0.png ISUZU KB P190 2007 Workshop Repair Manual

Page 1205 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Control System (4JH1)  6E-171 
DTC P0561 (Symptom Code A) (Flash Code 18) 
Circuit Description  
The engine control module (ECM) main relay is 
energized when the ECM receives an ignition volta

Page 1206 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6E-172  Engine Control System (4JH1) 
Step Action  Value(s) Yes No 
4   1.  Turn OFF the ignition. 
2. Disconnect the ignition voltage feed harness connector (C-107) from the junction block  
(behind

Page 1207 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Control System (4JH1)  6E-173 
DTC P0561 (Symptom Code B) (Flash Code 18) 
Circuit Description  
The engine control module (ECM) main relay is 
energized when the ECM receives an ignition volta

Page 1210 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6E-176  Engine Control System (4JH1) 
DTC P0645 (Symptom Code 4) (Flash Code 46) 
Circuit Description  
The engine control module (ECM) controls the ai
r 
conditioning (A/C) compressor relay, which su

Page 1211 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Control System (4JH1)  6E-177 
Step Action  Value(s) Yes No 
6  1.  Turn OFF the ignition. 
2.  Remove the A/C compressor relay.  
3.  Connect a test lamp between the voltage feed  circuit of t

Page 1213 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Control System (4JH1)  6E-179 
DTC P0645 (Symptom Code 8) (Flash Code 46) 
Circuit Description  
The engine control module (ECM) controls the ai
r 
conditioning (A/C) compressor relay, which su

Page 1215 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Control System (4JH1)  6E-181 
DTC P0703 (Symptom Code A, B) (Flash Code 25) 
Circuit Description  
The brake pedal switch is installed on the brake pedal 
bracket. The brake pedal 1 switch is

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ISUZU KB P190 2007  Workshop Repair Manual 6E-182  Engine Control System (4JH1) 
Step Action  Value(s) Yes No 
5  Replace the Stop (15A) fuse (C-15). If the fuse 
continues to open, repair the short to ground on one  
of the circuits that is f

Page 1217 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Control System (4JH1)  6E-183 
Step Action  Value(s) Yes No 
13  Replace the ECM (10A) fuse (EB-4). If the fuse 
continues to open, repair the short to ground on one  
of the circuits that is f

Page 1219 of 6020

ISUZU KB P190 2007  Workshop Repair Manual Engine Control System (4JH1)  6E-185 
DTC P0704 (Symptom Code 6) (Flash Code 57) 
Circuit Description  
The clutch pedal switch is installed on the clutch pedal 
bracket. The clutch pedal switch is a