CHECK ECM
Tech Tips
Since the ECM uses waterproof connectors, the voltage and resistance cannot be inspected directly. Standard voltage readings and resistances are indicated for reference only.
| Terminal No. (Symbol) |
Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| A35-1 (BATT) - C65-59 (E1) | B - BR | Constant power source | Always | 11 to 14 V |
| A35-10 (ST1-) - C65-59 (E1) | G - BR | Stop light signal | Engine switch on (IG), brake pedal depressed | 0 to 1.5 V |
| Engine switch on (IG), brake pedal released | 7.5 to 14 V | |||
| A35-9 (STP) - C65-59 (E1) | L - BR | Stop light signal | Brake pedal depressed | 7.5 to 14 V |
| Brake pedal released | 0 to 1.5 V | |||
| A35-43 (SFTD) - C65-59 (E1) | GR - BR | Down shift switch signal | Engine switch on (IG) and shift lever M position | 11 to 14 V |
| Engine switch on (IG) and shift lever "-" position (Down shift) | Below 1 V | |||
| A35-42 (SFTU) - C65-59 (E1) | LG - BR | Up shift switch signal | Engine switch on (IG) and shift lever M position | 11 to 14 V |
| Engine switch on (IG) and shift lever "+" position (Up shift) | Below 1 V | |||
| C65-65 (D) - C65-59 (E1) | L - BR | D shift position signal | Engine switch on (IG) and shift lever D | 11 to 14 V |
| Engine switch on (IG) and shift lever except D | Below 1 V | |||
| A35-36 (CCS) - C65-59 (E1) | V - BR | Cruise control switch circuit | Cruise control main switch off | 1 MΩ or higher |
| Cruise control main switch on | Below 2.5 Ω | |||
| +RES switch on | 236 to 244 Ω | |||
| -SET switch on | 618 to 642 Ω | |||
| CANCEL switch on | 1510 to 1570 Ω |