ECM Resistance Charts

Resistance At ECU Wiring Connectors [1]

Terminals
Condition(s) Resistance

IDL - E2
Throttle Valve Open Infinity
Throttle Valve Fully Closed 0 - 0.1

VTA - E2
Throttle Valve Open 3.3 - 10
Throttle Valve Fully Closed 0.2 - 0.8

Vcc - E2
N/A 3 - 7

THA - E2
Intake Ait Temperature 20°C (68°F) 2 - 3

THW - E2
Coolant Temperature 80°C (176°F) 0.2 - 0.4

+B - E2
N/A 0.2 - 0.4

Vc - E2
N/A 0.1 - 0.3

Vs - E2
Measuring Plate Fully Closed 0.02 - 0.1
Measuring Plate Fully Open 0.02 - 1

Ne - E1
N/A 0.14 - 0.18


[1] Measured by back-probing ECU wiring connector while disconnected. DO NOT touch the ECU terminals.