Contents: Table. Conclusions of the variator…⇊ Table. Conclusions of the variator…⇊ Table. Conclusions of the variator…⇊
Measure the voltage at the control unit terminals and compare the measured values with the values given in the table "CVT control unit terminals". Replace faulty elements if necessary.
Table. Conclusions of the variator control unit.
| Color | Wire Output | Signal | Description | Verification conditions | Result |
| A2 | YEL/BLK | IGP2 | Main Relay Power Circuit | Ignition switch in the "ON" position | 10-14 V |
| Ignition switch in the "OFF" position | 0 B | ||||
| AZ | YEL/BLK | IGP1 | Main Relay Power Circuit | Ignition switch in the "ON" position | 10-14 V |
| Ignition switch in the "OFF" position | 0 B | ||||
| A4 | BLK | PG2 | Weight | Under any conditions | Conductivity |
| A5 | BLK | PG1 | Weight | Under any conditions | Conductivity |
| A18 | BLU/WHT | VEL1 | Signal from speed sensor #2 of the variator | Ignition switch in the "ON" position | 0V or about 5V |
| The front wheels rotate slowly | About 2.5V | ||||
| A20 | YEL/BLU | VCC2 | Sensor power supply circuit | Ignition switch in the "ON" position | About 5V |
| Ignition switch in the "OFF" position | 0 B | ||||
| A21 | YEL/RED | VCC1 | Sensor power supply circuit | Ignition switch in the "ON" position | About 5V |
| Ignition switch in the "OFF" position | 0 B | ||||
| A23 | BRN/BLK | LG2 | Weight | Under any conditions | Conductivity |
| A24 | BRN/BLK | LG1 | Weight | Under any conditions | Conductivity |
| B7 | GRN/WHT | HLC LSP | Food chain (positive conclusion) electromagnetic pressure control valve | Ignition switch in the "ON" position | Pulses |
| B16 | YEL/GRN | SC LSP | Food chain (positive conclusion) electromagnetic valve for controlling the starting clutch | Ignition switch in the "ON" position | Pulses |
| B20 (hatchback) | PNK | SSW | Signal from the selector position sensor "S" | Selector in position "S" or "L" | 0 B |
| Selector in a position other than "S" or "L" | About 5V | ||||
| B24 | BLU/WHT | SH LSP | Food chain (positive conclusion) electromagnetic valve for pressure distribution between pulleys | Ignition switch in the "ON" position | Pulses |
| C1 | BLK/RED | HLC LSM | Power supply circuit (ground) of the pressure control solenoid valve | Ignition switch in the "ON" position | Pulses |
Table. Conclusions of the variator control unit (continuation).
| Conclusion | Wire color | Signal | Description | Verification conditions | Result |
| C2* | GRN/YEL | CAS SOL A | Solenoid valve "A" | Solenoid valve ON | VB |
| Solenoid valve OFF | 0 B | ||||
| SZ*¹ | BLK | PG (CVT2) | Weight | Under any conditions | Conductivity |
| C4* | BRN/BLK | CAS SOL B | Solenoid valve "B" | Solenoid valve ON | VB |
| Solenoid valve OFF | 0 B | ||||
| C5*¹ | BLK | PG (CVT1) | Weight | Under any conditions | Conductivity |
| C6 | GRN/RED | INH SOL | Start inhibit solenoid valve | Solenoid valve ON | VB |
| Solenoid valve OFF | 0 B | ||||
| C7 | RED/BLU | NDR | Drive pulley speed sensor | Ignition switch in the "ON" position | 0V or about 5V |
| The engine is idling, the selector is in the "N" position | About 2.5V | ||||
| C8 | BLU/RED | SC LSM | Power supply circuit (ground) of the electromagnetic valve of control of the starting clutch | Ignition switch in the "ON" position | Pulses |
| C9 (sedan) | RED | ATPS | Selector position signal "S" | Selector in position "S" | 0 B |
| Selector in any position except "S" | 5 V | ||||
| C10 | WHT | ATP R | Selector position signal "R" | Selector in position "R" | 0 B |
| Selector in any position except "R" | VB | ||||
| C11 | BLU | ATP L | Selector position signal "L" | Selector in position "L" | 0 B |
| Selector in any position except "L" | 5IN | ||||
| C12 | BLU/WHT | ATP NP | Selector position signal "N" or "P" | Selector in position "N" or "P" | 0 B |
| Selector in any position except "N" or "P" | 5 V | ||||
| C13 (hatchback) | RED/BLK | ATPN | Selector position signal "N" | Selector in position "N" | 0 B |
| Selector in any position except "N" | VB | ||||
| C15 | WHT/GRN | NDN | Signal from the slave pulley speed sensor | Ignition switch in the "ON" position | 0V or about 5V |
| The engine is idling, the selector is in the "N" position | About 2.5V | ||||
| C16 | BLU/WHT | SH LSM | Food chain (positive conclusion) electromagnetic valve for pressure distribution between pulleys | Ignition switch in the "ON" position | Pulses |
| C20 | YEL | ATPD | Selector position signal "D" | Selector in position "D" | 0 B |
| Selector in any position except "D" | VB | ||||
| C22 | WHT/RED | VEL1 | Signal from speed sensor #1 of the variator | Ignition switch in the "ON" position | 0V or about 5V |
| The front wheels rotate slowly | About 2.5V | ||||
| E7 | RED/YEL | MRLY | Main Relay Power Circuit | Ignition switch in the "ON" position | VB |
| Ignition switch in the "OFF" position | 0 B | ||||
| E9 | YEL/BLK | IG1 | Food chain | Ignition switch in the "ON" position | VB |
| Ignition switch in the "OFF" position | 0 B | ||||
| E13 (Hatchback) | BLU/RED | ILU | Selector Lock Solenoid Valve | Ignition switch in the "ON" position. Selector in the "P" position, brake pedal pressed, accelerator pedal released. | VB |
Table. Conclusions of the variator control unit (continuation).
| Conclusion | Wire color | Signal | Description | Verification conditions | Result |
| E22 | WHT/BLK | BKSW | Brake light switch signal | The brake pedal is pressed | VB |
| The brake pedal is released | 0 B | ||||
| E23 | SB/WHT | K-LINE | Communication line of the variator control unit with the diagnostic connector | Ignition switch in the "ON" position | VB |
| E24 | YEL | SEFMJ | Instrument cluster - selector position indicators | Ignition switch in the "ON" position | VIN |
| E29 | BRN | SCS | SCS signal | Ignition switch in the "ON" position. The "SCS" terminal is not connected to ground | About 5V or VB |
| The "SCS" pin is connected to ground | 0 B |
Note:
- models with D15B engine;
- *¹ - models produced since 10/2001.;
- VB - battery voltage.
Original published on this resource HONDABOOK.ru
