2004 ISUZU TF SERIES Workshop Manual

Page 4049 of 4264

ISUZU TF SERIES 2004  Workshop Manual DIAGNOSIS (JR405E)  7A2-57  
DTC P0768 (Flash Code 34) Low Clutch Duty Solenoid Failure 
  
 
 
       C ontrol Valve
               
                                        TCM 
B6 
B7 
B8 
B9 
B22 (

Page 4050 of 4264

ISUZU TF SERIES 2004  Workshop Manual 7A2-58  DIAGNOSIS (JR405E) 
Gear Position & Shift Solenoid Operation 
 
 
Range TCM terminal 
 
Gear B8  
(High clutch 
solenoid) B9  
(Low clutch 
solenoid) B7  
(2-4 brake 
solenoid) B6  
(Low & rev

Page 4051 of 4264

ISUZU TF SERIES 2004  Workshop Manual DIAGNOSIS (JR405E)  7A2-59 
Reference: 
When the low clutch duty solenoid is operated, following signal is outputs. 
Measurement terminal: B9 (C95) and B22 (C95) 
-AC range by circuit tester: Approxim

Page 4052 of 4264

ISUZU TF SERIES 2004  Workshop Manual 7A2-60  DIAGNOSIS (JR405E)  
DTC P0748 (Flash Code 35) Line Pressure Solenoid Failure 
 
       Control Valve
               
                                        TCM 
B17 
B23 
BLK 
Lock-up Soleno

Page 4053 of 4264

ISUZU TF SERIES 2004  Workshop Manual DIAGNOSIS (JR405E)  7A2-61 
Reference: 
When the line pressure solenoid is operated, following signal is outputted. 
Measurement terminal: B23 (C95) and B22 (C95) 
-At N rage: 10 - 14.5V 
-At D range:

Page 4054 of 4264

ISUZU TF SERIES 2004  Workshop Manual 7A2-62  DIAGNOSIS (JR405E)  
DTC P1860 (Flash Code 36) Lock-up Duty Solenoid Failure 
 
       Control Valve
               
                                        TCM 
B17 
B23 
BLK 
Lock-up Solenoi

Page 4055 of 4264

ISUZU TF SERIES 2004  Workshop Manual DIAGNOSIS (JR405E)  7A2-63 
 
Reference: 
When the lock-up duty solenoid is operated, following signal is outputted. 
Measurement terminal: B17 (C95) and B5 (C95) 
-AC range by circuit tester: Approxi

Page 4056 of 4264

ISUZU TF SERIES 2004  Workshop Manual 7A2 -64   DIAGNOSIS  (JR405E) 
DTC P1853 (Flash Code 26) Low & Reverse Brake Pressure Switch Failure 
  
 
 
       Control Valve
               
                                        TCM 
B1 
B12