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Home >> Infiniti >> 2017 >> QX70 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 29 (Automatic Transmission (Symptom Diagnosis & Removal And Installation) (Except Hybrid)) >> Symptom Diagnosis >> System Symptom >> Symptom Table >> Symptom Table 1

Symptom Table 1

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
Symptom Diagnostic item
Control linkage Output speed sensor Vehicle speed signal Accelerator pedal position sensor Engine speed signal Input speed sensor A/T fluid temperature sensor Battery voltage Transmission range switch Manual mode switch Stop lamp switch Line pressure solenoid valve Torque converter solenoid valve Low brake solenoid valve Front brake solenoid valve High and low reverse clutch solenoid valve Input clutch solenoid valve Direct clutch solenoid valve 2346 brake solenoid valve Anti-interlock solenoid valve CAN communication Sub electric oil pump
INSPECTION AND ADJUSTMENT DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DIAGNOSIS PROCEDURE DTC DESCRIPTION DTC DESCRIPTION INSPECTION AND ADJUSTMENT DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION REMOVAL AND INSTALLATION (2WD)
REMOVAL AND INSTALLATION (AWD)
Poor performance Driving performance Shift point is high in "D" position.   1   2     3                              
Shift point is low in "D" position.   1   2                                    
Large shock When shifting gears →"D" position 4     7 6   6   5     3   2           3 1  
→"R" position 4     7 6   6   5     3           2     1  
1GR → 2GR   4   2 5 4 4                       3   1  
2GR → 3GR   4   2 5 4 4                     3     1  
3GR → 4GR   4   2 5 4 4             3   3         1  
4GR → 5GR   4   2 5 4 4                   3   3   1  
5GR → 6GR   4   2 5 4 4                     3 3   1  
6GR → 7GR   4   2 5 4 4               3       3   1  
Downshift when accelerator pedal is depressed   3   2 4 3 3                           1  
Upshift when accelerator pedal is released   3   2 4 3 3                           1  
Lock-up   4   2 4 4 4           3               1  
Judder Lock-up       2 1 1 4           3                  
Poor performance Strange noise In "R" position   2     1                                  
In "N" position   2     1                                  
In "D" position   2     1                                  
Engine at idle   2     1                                  
Symptom Diagnostic item
Control linkage Output speed sensor Vehicle speed signal Accelerator pedal position sensor Engine speed signal Input speed sensor A/T fluid temperature sensor Battery voltage Transmission range switch Manual mode switch Stop lamp switch Line pressure solenoid valve Torque converter solenoid valve Low brake solenoid valve Front brake solenoid valve High and low reverse clutch solenoid valve Input clutch solenoid valve Direct clutch solenoid valve 2346 brake solenoid valve Anti-interlock solenoid valve CAN communication
INSPECTION AND ADJUSTMENT DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DIAGNOSIS PROCEDURE DTC DESCRIPTION DTC DESCRIPTION INSPECTION AND ADJUSTMENT DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION
Function trouble Gear does no change "D" position Locks in 1GR   1                         1   1   1    
Locks in 2GR                                          
Locks in 3GR                                          
Locks in 4GR                                          
Locks in 5GR               1                          
Locks in 6GR                                          
Locks in 7GR                                          
1GR → 2GR   1                         1   1   1    
2GR → 3GR                                   1      
3GR → 4GR   2       2 2             2 2 2 2       1
4GR → 5GR                                   1 1    
5GR → 6GR                                   1      
6GR → 7GR                           1 1 1 1     1  
5GR → 4GR                                 1        
4GR → 3GR                           1   1       1  
3GR → 2GR                 1                 1      
2GR → 1GR                 1                 1 1    
Does not lock-up   2     2 2 2 4 5   3 2 2 2 2 2 2 2 2 2 1
"M" position 1GR → 2GR   3       3 3   3 2   3 3 3 3 3 3 3 3 3 1
2GR → 3GR   3       3 3   3 2   3 3 3 3 3 3 3 3 3 1
3GR → 4GR   3       3 3   3 2   3 3 3 3 3 3 3 3 3 1
4GR → 5GR   3       3 3   3 2   3 3 3 3 3 3 3 3 3 1
5GR → 6GR   3       3 3   3 2   3 3 3 3 3 3 3 3 3 1
6GR → 7GR   3       3 3   3 2   3 3 3 3 3 3 3 3 3 1
Symptom Diagnostic item
Control linkage Output speed sensor Vehicle speed signal Accelerator pedal position sensor Engine speed signal Input speed sensor A/T fluid temperature sensor Battery voltage Transmission range switch Manual mode switch Stop lamp switch Line pressure solenoid valve Torque converter clutch solenoid valve Low brake solenoid valve Front brake solenoid valve High and low reverse clutch solenoid valve Input clutch solenoid valve Direct clutch solenoid valve 2346 brake solenoid valve Anti-interlock solenoid valve CAN communication
INSPECTION AND ADJUSTMENT DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DIAGNOSIS PROCEDURE DTC DESCRIPTION DTC DESCRIPTION INSPECTION AND ADJUSTMENT DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION
Function trouble Poor shifting Slip When shifting gears 1GR → 2GR   3     3 3 4         2             2   1
2GR → 3GR   3     3 3 4         2           2     1
3GR → 4GR   3     3 3 4         2   2   2       2 1
4GR → 5GR   3     3 3 4         2         2   2   1
5GR → 6GR   3     3 3 4         2           2 2   1
6GR → 7GR   3     3 3 4         2     2       2   1
 
Engine brake does not work
"D" position → "M" position   5     5 5 6   4 2   3     3 3         1
"M" position 7GR → 6GR   5     5 5 6   4 2   3     3       3   1
6GR → 5GR   5     5 5 6   4 2   3           3 3   1
5GR → 4GR   5     5 5 6   4 2   3         3   3   1
4GR → 3GR   5     5 5 6   4 2   3   3   3       3 1
3GR → 2GR   5     5 5 6   4 2   3       3   3     1
2GR → 1GR   5     5 5 6   4 2   3     3       3   1
Function trouble Poor power transmission Slip With selector lever in "D" position, acceleration is extremely poor. 5 3     3 3 4         2   2           2 1
With selector lever in "R" position, acceleration is extremely poor. 5 3     3 3 4         2           2   2 1
While starting off by accelerating in 1GR, engine races.   3     3 3 4         2   2           2 1
While accelerating in 2GR, engine races.   3     3 3 4         2   2         2 2 1
While accelerating in 3GR, engine races.   3     3 3 4         2   2       2 2   1
While accelerating in 4GR, engine races.   3     3 3 4         2       2   2 2   1
While accelerating in 5GR, engine races.   3     3 3 4         2       2 2 2   2 1
While accelerating in 6GR, engine races.   3     3 3 4         2       2 2   2 2 1
While accelerating in 7GR, engine races.   3     3 3 4         2     2 2 2     2 1
Lock-up   3     3 3 4         2 2               1
Function trouble Poor power transmission Slip No creep at all.                       1 1 1 1 1 1 1 1 1  
Extremely large creep.         1                                
Symptom Diagnostic item  
Control linkage Output speed sensor Vehicle speed signal Accelerator pedal position sensor Engine speed signal Input speed sensor A/T fluid temperature sensor Battery voltage Transmission range switch Manual mode switch Stop lamp switch Line pressure solenoid valve Torque converter clutch solenoid valve Low brake solenoid valve Front brake solenoid valve High and low reverse clutch solenoid valve Input clutch solenoid valve Direct clutch solenoid valve 2346 brake solenoid valve Anti-interlock solenoid valve CAN communication
INSPECTION AND ADJUSTMENT DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DIAGNOSIS PROCEDURE DTC DESCRIPTION DTC DESCRIPTION INSPECTION AND ADJUSTMENT DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION DTC DESCRIPTION
Function trouble Power transmission cannot be performed Vehicle cannot run in all position. 3               2     1 1 1 1 1 1 1 1 1  
Driving is not possible in "D" position. 3               2     1 1 1 1 1 1 1 1 1  
Driving is not possible in "R" position. 3               2     1           1   1  
Engine stall   4   5 5     6     3   2                
Engine stalls when selector lever shifted "N"→"D" or "R".   4   5 5       3       2                
Engine does not start in "N" or "P" position. 3             1 2                        
Engine starts in position other than "N" or "P". 3               2                        
Poor operation Vehicle does not enter parking condition. 1               2                        
Parking condition is not cancelled. 1               2                        
Vehicle runs with A/T in "P" position. 1               2                        
Vehicle moves forward with the "R" position. 1               2                        
Vehicle runs with A/T in "N" position. 1               2                        
Vehicle moves backward with the "D" position. 1               2                        
Stop/start system is not activated.                                         2