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 (ECM) module harness 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 |
|---|---|---|
| E9-15 (STP) - E7-17 (E1), Green/White - Brown | Depress Brake Pedal | 10-16 Volts |
| E9-15 (STP) - E7-17 (E1), Green/White - Brown | Release Brake Pedal | Less Than 1 Volt |
| E9-14 (CCS) - E7-17 (E1), Blue - Brown | Ignition Switch ON | 10-16 Volts |
| E9-14 (CCS) - E7-17 (E1), Blue - Brown | Ignition Switch ON, CANCEL Switch Hold ON | 3.6-7.2 Volts |
| E9-14 (CCS) - E7-17 (E1), Blue - Brown | Ignition Switch ON, SET/COAST Switch Hold ON | 2.1-4.9 Volts |
| E9-14 (CCS) - E7-17 (E1), Blue - Brown | Ignition Switch ON, RES/ACC Switch Hold ON | 0.7-2.6 Volts |
| E9-24 (CMS) - E7-17 (E1), Yellow/Red - Brown | Ignition Switch ON, Main Switch OFF | Less Than 1 Volt |
| E9-24 (CMS) - E7-17 (E1), Yellow/Red - Brown | Ignition Switch ON, Main Switch ON | 10-14 Volts |
| E9-16 (PI) - E7-17 (E1), Yellow/Black - Brown | Ignition Switch ON, Cruise Control Main Switch ON | Less Than 1 Volt |
| E9-16 (PI) - E7-17 (E1), Yellow/Black - Brown | Ignition Switch ON, Cruise Control Main Switch OFF | 10-14 Volts |
| E10-10 (ST1-) - E7-17 (E1), Red/Green - Brown | Depress Brake Pedal | Less Than 1 Volt |
| E10-10 (ST1-) - E7-17 (E1), Red/Green - Brown | Release Brake Pedal | 10-14 Volts |