Pin Voltage Tests
Using a DVOM connected to ground, backprobe to measure voltage or resistance at appropriate terminal of the body ECU No. 1 and body ECU No. 2 harness connectors unless otherwise specified. See BODY ECU NO. 1 PIN VOLTAGE CHART table and BODY ECU NO. 2 PIN VOLTAGE CHART table.
BODY ECU NO. 1 PIN VOLTAGE CHART
| Terminal No. (Symbol), Wire Color | Condition | Specification |
|---|---|---|
| 15 (ACC) - Body Ground (GND), Gray | Ignition Switch Position Is ACC | 10-14 Volts |
| 2 (TR) - Body Ground (GND), Blue | Luggage Compartment Door Opener Switch ON | 10-14 Volts (For 250 ms) |
| 1 (HORN) - Body Ground (GND), Green/Black | Anti-Theft System Is Set, Luggage Compartment Door Key Lock & Unlock Switch OFF, Luggage Compartment Door Open | Voltage Change 10-14 Volts - Less Than 1 Volt |
| 22 (IND) - Body Ground (GND), Violet | Security Indication Lights Up | 3-6 Volts |
| 22 (IND) - Body Ground (GND), Violet | Security Indicator Light Does Not Light Up | Less Than 1 Volt |
| 9 (HCTY) - Body Ground (GND), Violet/Green | Hood Is Open | Less Than 1 Volt |
| 9 (HCTY) - Body Ground (GND), Violet/Green | Hood Is Closed | 10-14 Volts |
| 10 (LGCY) - Body Ground (GND), Red/White | Luggage Door Is Open | Less Than 1 Volt |
| 10 (LGCY) - Body Ground (GND), Red/White | Luggage Door Is Closed | 10-14 Volts |
| 16 (TKUL) - Body Ground (GND), Light Green/Black | Luggage Door L & UK S/W Is Turned | Less Than 1 Volt |
| 16 (TKUL) - Body Ground (GND), Light Green/Black | Luggage Door L & UK S/W Is Not Turned | 10-14 Volts |
| 17 (TSW) - Body Ground (GND), Violet/Yellow | Luggage Opener S/W Is Operated | Less Than 1 Volt |
| 17 (TSW) - Body Ground (GND), Violet/Yellow | Luggage Opener S/W Is Not Operated | 10-14 Volts |
| 13 (BZR) - 12 (BZR2), Pink/Black - Pink/Blue | When Buzzer Is Sounded | 8-10 Volts |
| 13 (BZR) - 12 (BZR2), Pink/Black - Pink/Blue | When Buzzer Is Not Sounded | Less Than 1 Volt |
| 24 (SNOW) - Body Ground (GND), Green/Red | Snow Switch (ECT Pattern Select Switch) Is ON | Less Than 1 Volt |
| 24 (SNOW) - Body Ground (GND), Green/Red | Snow Switch (ECT Pattern Select Switch) Is OFF | 10-14 Volts |
| 23 (PWR) - Body Ground (GND), Green/White | PWR Switch (ECT Pattern Select Switch) Is ON | Less Than 1 Volt |
| 23 (PWR) - Body Ground (GND), Green/White | PWR Switch (ECT Pattern Select Switch) Is OFF | 10-14 Volts |
| 7 (RET) - Body Ground (GND), Pink/Green | Mirror Retract Switch ON | Less Than 1 Volt |
| 7 (RET) - Body Ground (GND), Pink/Green | PWR Switch (ECT Pattern Select Switch) Is OFF | 10-14 Volts |
| 19 (MPX1), White | Multiplex Communication System | ..... |
BODY ECU NO. 2 PIN VOLTAGE CHART
| Terminal No. (Symbol), Wire Color | Condition | Voltage |
|---|---|---|
| 9 (HRLY) - Body Ground (GND), Red/Green | Ignition Switch Position Is ON, Light Control Switch HEAD Position | Below 2 Volts |
| 9 (HRLY) - Body Ground (GND), Red/Green | Ignition Switch Position Is ON, Light Control Switch OFF Position | 10-14 Volts |
| 13 (ILE) - Body Ground (GND), Green | Each Door Is Opened | Below 2 Volts |
| 13 (ILE) - Body Ground (GND), Green | All Doors Are Closed | 10-14 Volts |
| 5 (KSW) - Body Ground (GND), Yellow | Key Inserted | Less Than 1 Volt |
| 5 (KSW) - Body Ground (GND), Yellow | Key Not Inserted | 10-14 Volts |
| 14 (STPI) - Body Ground (GND), Green/White | Brake Is ON | Less Than 1 Volt |
| 14 (STPI) - Body Ground (GND), Green/White | Brake Is OFF | 10-14 Volts |
| 4 (LF) - Body Ground (GND), Violet/Red | Stop Light, High Mount Stop Light & Taillight Is Normal | 10-14 Volts |
| 4 (LF) - Body Ground (GND), Violet/Red | Stop Light, High Mount Stop Light & Taillight Is Wire Break | Less Than 1 Volt |
| 2 (TAIL) - Body Ground (GND), Red/Yellow | Headlight Control Switch Position Is TAIL | Less Than 1 Volt |
| 2 (TAIL) - Body Ground (GND), Red/Yellow | Headlight Control Switch Position Is Except TAIL | 10-14 Volts |
| 15 (HEAD) - Body Ground (GND), Red/Black | Headlight Control Switch Position Is HEAD | Less Than 1 Volt |
| 15 (HEAD) - Body Ground (GND), Red/Black | Headlight Control Switch Position Is Except HEAD | 10-14 Volts |
| 3 (AUTO) - Body Ground (GND), Red | Headlight Control Switch Position Is AUTO | Less Than 1 Volt |
| 3 (AUTO) - Body Ground (GND), Red | Headlight Control Switch Position Is Except AUTO | 10-14 Volts |
| 10 (ALTL) - Body Ground (GND), Yellow/Red | Normal Condition | 2-3.5 Volts |
| 10 (ALTL) - Body Ground (GND), Yellow/Red | When wiring harness Is OPEN | 4-6 Volts |
| 19 (MPX2) | Multiplex Communication Circuit | ..... |