Symptom Table
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.
The diagnostics item numbers show the sequence for inspection. Inspect in order from item 1.
CAUTION:
If any malfunction occurs in the RE7R01H transmission, replace the transmission assembly.
| Symptom | Diagnostic item | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Control linkage | Vehicle speed signal | Accelerator pedal position sensor | Motor speed signal | CAN communication | RE7R01H transmission | |||||||||||||||||
| Input speed sensor | Output speed sensor | A/T fluid temperature sensor | Transmission range switch | Line pressure solenoid valve | Clutch 1 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 | ||||||||||
| INSPECTION AND ADJUSTMENT | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | |||||
| Poor performance | Driving performance | Shift point is high in "D" position. | 2 | 1 | 3 | |||||||||||||||||
| Shift point is low in "D" position. | 2 | 1 | ||||||||||||||||||||
| Large shock | When shifting gears | →"D" position | 3 | 6 | 5 | 5 | 5 | 4 | 2 | 1 | 2 | |||||||||||
| →"R" position | 3 | 6 | 5 | 5 | 5 | 4 | 2 | 1 | ||||||||||||||
| 1GR ==> 2GR | 1 | 5 | 4 | 3 | 3 | 3 | 2 | |||||||||||||||
| 2GR ==> 3GR | 1 | 5 | 4 | 3 | 3 | 3 | 2 | |||||||||||||||
| 3GR ==> 4GR | 1 | 5 | 4 | 3 | 3 | 3 | 2 | 2 | ||||||||||||||
| 4GR ==> 5GR | 1 | 5 | 4 | 3 | 3 | 3 | 2 | 2 | ||||||||||||||
| 5GR ==> 6GR | 1 | 5 | 4 | 3 | 3 | 3 | 2 | 2 | ||||||||||||||
| 6GR ==> 7GR | 1 | 5 | 4 | 3 | 3 | 3 | 2 | 2 | ||||||||||||||
| Downshift when accelerator pedal is depressed | 1 | 4 | 3 | 2 | 2 | 2 | ||||||||||||||||
| Upshift when accelerator pedal is released | 1 | 4 | 3 | 2 | 2 | 2 | ||||||||||||||||
| Strange noise | In "R" position | 1 | 2 | |||||||||||||||||||
| In "N" position | 1 | 2 | ||||||||||||||||||||
| In "D" position | 1 | 2 | ||||||||||||||||||||
| Engine at idle | 1 | 2 | ||||||||||||||||||||
| Symptom | Diagnostic item | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Battery voltage | Stop lamp switch | Manual mode switch | Motor speed signal | CAN communication | RE7R01H transmission | ||||||||||||||||
| Input speed sensor | Output speed sensor | A/T fluid temperature sensor | Transmission range switch | Line pressure solenoid valve | Clutch 1 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 | |||||||||
| DIAGNOSIS PROCEDURE | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | 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 5GR | 1 | ||||||||||||||||||||
| 1GR → 2GR | 1 | 1 | 1 | 1 | |||||||||||||||||
| 2GR → 3GR | 1 | ||||||||||||||||||||
| 3GR → 4GR | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 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 | ||||||||||||||||||
| "M" position | 1GR ==> 2GR | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | |||||
| 2GR ==> 3GR | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | ||||||
| 3GR ==> 4GR | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | ||||||
| 4GR ==> 5GR | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | ||||||
| 5GR ==> 6GR | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | ||||||
| 6GR ==> 7GR | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | ||||||
| Symptom | Diagnostic item | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Control linkage | Manual mode switch | Motor speed signal | CAN communication | RE7R01H transmission | |||||||||||||||||
| Input speed sensor | Output speed sensor | A/T fluid temperature sensor | Transmission range switch | Line pressure solenoid valve | Clutch 1 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 | |||||||||
| INSPECTION AND ADJUSTMENT | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | 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 | 2 | 3 | 3 | 4 | 1 | 1 | ||||||||||
| 2GR ==> 3GR | 3 | 2 | 3 | 3 | 4 | 1 | 1 | ||||||||||||||
| 3GR ==> 4GR | 3 | 2 | 3 | 3 | 4 | 1 | 1 | 1 | 1 | ||||||||||||
| 4GR ==> 5GR | 3 | 2 | 3 | 3 | 4 | 1 | 1 | 1 | |||||||||||||
| 5GR ==> 6GR | 3 | 2 | 3 | 3 | 4 | 1 | 1 | 1 | |||||||||||||
| 6GR ==> 7GR | 3 | 2 | 3 | 3 | 4 | 1 | 1 | 1 | |||||||||||||
| Engine brake does not work |
"D" position →"M" position | 1 | 4 | 3 | 4 | 4 | 5 | 3 | 2 | ||||||||||||
| "M" position | 7GR → 6GR | 1 | 4 | 3 | 4 | 4 | 5 | 3 | 2 | 2 | 2 | ||||||||||
| 6GR → 5GR | 1 | 4 | 3 | 4 | 4 | 5 | 3 | 2 | 2 | 2 | |||||||||||
| 5GR → 4GR | 1 | 4 | 3 | 4 | 4 | 5 | 3 | 2 | 2 | 2 | |||||||||||
| 4GR → 3GR | 1 | 4 | 3 | 4 | 4 | 5 | 3 | 2 | 2 | 2 | 2 | ||||||||||
| 3GR → 2GR | 1 | 4 | 3 | 4 | 4 | 5 | 3 | 2 | 2 | ||||||||||||
| 2GR → 1GR | 1 | 4 | 3 | 4 | 4 | 5 | 3 | 2 | 2 | ||||||||||||
| Function trouble | Poor power transmission | Slip | With selector lever in "D" position, acceleration is extremely poor. | 5 | 3 | 2 | 3 | 3 | 4 | 1 | 1 | 1 | |||||||||
| With selector lever in "R" position, acceleration is extremely poor. | 5 | 3 | 2 | 3 | 3 | 4 | 1 | 1 | 1 | ||||||||||||
| While starting off by accelerating in 1GR, engine races. | 3 | 2 | 3 | 3 | 4 | 1 | 1 | 1 | |||||||||||||
| While accelerating in 2GR, engine races. | 3 | 2 | 3 | 3 | 4 | 1 | 1 | 1 | 1 | ||||||||||||
| While accelerating in 3GR, engine races. | 3 | 2 | 3 | 3 | 4 | 1 | 1 | 1 | 1 | ||||||||||||
| While accelerating in 4GR, engine races. | 3 | 2 | 3 | 3 | 4 | 1 | 1 | 1 | 1 | ||||||||||||
| While accelerating in 5GR, engine races. | 3 | 2 | 3 | 3 | 4 | 1 | 1 | 1 | 1 | 1 | |||||||||||
| While accelerating in 6GR, engine races. | 3 | 2 | 3 | 3 | 4 | 1 | 1 | 1 | 1 | 1 | |||||||||||
| While accelerating in 7GR, engine races. | 3 | 2 | 3 | 3 | 4 | 1 | 1 | 1 | 1 | 1 | |||||||||||
| No creep at all. | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||||||||||||
| Extremely large creep. | 1 | ||||||||||||||||||||
| Symptom | Diagnostic item | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Control linkage | Battery voltage | Stop lamp switch | Accelerator pedal position sensor | Motor speed signal | CAN communication | RE7R01H transmission | |||||||||||||||
| Output speed sensor | Transmission range switch | Line pressure solenoid valve | Clutch 1 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 | |||||||||||
| INSPECTION AND ADJUSTMENT | DIAGNOSIS PROCEDURE | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | DTC DESCRIPTION | 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 | 5 | 2 | 4 | 4 | 3 | 1 | |||||||||||||||
| Engine stalls when selector lever shifted "N"→"D" or "R". | 4 | 4 | 3 | 2 | 1 | ||||||||||||||||
| System does not start in "N" or "P" position. | 3 | 1 | 4 | 2 | |||||||||||||||||
| System starts in position other than "N" or "P". | 2 | 3 | 1 | ||||||||||||||||||
| 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 "P" position. | 1 | 2 | |||||||||||||||||||
| Vehicle moves backward with the "D" position. | 1 | 2 | |||||||||||||||||||