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Intake Air Temperature Sensor

For testing information, see SELF-DIAGNOSTICS article.

INTAKE MANIFOLD PRESSURE SENSOR VOLTAGE (1)

Application Volts
Forester, Impreza 2.5L & Legacy A/T
ECM Connector B136 Terminal No. 5 & Ground (2)
Engine On 2.4-4.8
At Idle 0.4-1.8
Legacy M/T
ECM Connector B136 Terminal No. 5
Engine On 3.4-3.6
At Idle 1.2-1.8
(1) For further testing, see SELF-DIAGNOSTICS article.
(2) Connect DVOM between indicated ECM terminal and ground.
KNOCK SENSOR (KS) RESISTANCE (1)

Application Ohms
Forester, Impreza 2.5L & Legacy A/T 400,000-700,000
(1) Check resistance between ground and sensor connector terminal.
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