Pin Voltage Tests
WARNING: This page is about a different car, the 2002 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
Using a DVOM connected to ground, backprobe to measure voltage or resistance at appropriate terminal at engine control module (ECM) connector unless otherwise specified. See CONNECTOR IDENTIFICATION . See ENGINE CONTROL MODULE (ECM) PIN VOLTAGE CHART table.
ENGINE CONTROL MODULE (ECM) PIN VOLTAGE CHART
| Terminal No. (Symbol), Wire Color | Condition | Standard Voltage |
|---|---|---|
| E10-12 (TXCT) - E7-17 (E1), Red/Yellow - Brown | Ignition Switch ON | 10-14 Volts |
| E10-14 (CODE) - E7-17 (E1), Blue/Black - Brown | Ignition Switch ON | 10-14 Volts |
| E10-13 (RXCK) - E7-17 (E1), Violet/Green - Brown | Ignition Switch ON | 10-14 Volts |