Description of the diagnostic system
The electronic control unit has a failure protection system that can detect a malfunction in the system. When the ignition key is turned to the "ON" position, the automatic transmission components are checked. If a malfunction is detected, the "D" indicator on the instrument cluster starts flashing.
Sedan.
Hatchback.
Reading fault codes
1. Turn the ignition switch to the "OFF" position.
2. Connect the scanner to the diagnostic connector.
3. Turn on the ignition. Read the fault codes.
Resetting fault codes
Using a scanner
1. Turn the ignition switch to the "OFF" position.
2. Connect the scanner.
3. Turn the ignition switch to the "ON" position.
4. Clear fault codes.
Without using a scanner
To clear the fault codes, remove fuse #6 (15A) from the underhood fuse box for 10 seconds or more.
Table. Error codes.
| Fault code | Malfunction | Possible location of the malfunction | |
| Indicator "D" | OBD | ||
| 1 | R1753 | Torque converter lockup clutch does not engage/disengage | • Torque converter lock-up solenoid valve; • Wiring;• Engine and automatic transmission control unit. |
| 5 | R1705 | Gear shift malfunction | • Start inhibit switch; • Wiring. |
| 6 | R1706 | Gear shift malfunction; Torque converter lockup clutch does not engage/disengage | • Start inhibit switch; • Wiring. |
| 7 | P0753 | No gear shifting (4th gear is engaged, shifting is impossible) | • Gear shift solenoid valve "A"; • Wiring. |
| 8 | P0758 | No gear shifting (4th gear is engaged, shifting is impossible) | • Solenoid valve for gear shift "B"; • Wiring. |
| 9 | P0720 | Torque converter lockup clutch does not engage/disengage | • Gearbox output shaft speed sensor; • Wiring. |
| 15 | P0715 | Torque converter lockup clutch does not engage/disengage | • Gearbox input shaft speed sensor; • Wiring. |
| 16 | R1768 | Gear shift malfunction; Torque converter lockup clutch does not engage/disengage | • Pressure control solenoid valve "A"; • Wiring. |
| 21 (hatchback) | R1713 | The upshift prohibition mode (D3) does not activate | • Overdrive switch (D3); • Wiring. |
| 23 | R1773 | Gear shift malfunction; Torque converter lockup clutch does not engage/disengage | • Pressure control solenoid valve "B"; • Wiring. |
The article is based on information from the website: HondaBook