Subaru Legacy BN/BS (2015-2019) Service Manual: Inspection
1. Remove the bulkhead harness connector from TCM. Transmission Control Module (TCM) > REMOVAL 2. Set the ST between the TCM and bulkhead harness.
3. Set the probe of oscilloscope to the check board connector. Terminals: No. 14 (+) — No. 42 (−)
4. Start and warm up the engine. 5. Check the waveform of primary speed sensor with engine idling. NOTE: The waveform cycle changes as the speed changes.
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Removal
CAUTION:Be sure to prevent water or oil from contacting the connector terminal of primary speed sensor. If adhesion occurs, replace with a new part.1. Remove the collector cover.(1) Carefully pull up ...
Installation
CAUTION:Be sure to prevent water or oil from contacting the connector terminal of primary speed sensor. If adhesion occurs, replace with a new part.1. Install the primary speed sensor.NOTE:• Use ...
Other materials:
Dtc b2271 ign relay control circuit
DTC DETECTING CONDITION:• When malfunction is detected in IG1 and IG2 drive circuits in the keyless access CM.• When malfunction is detected in IG hold circuit in the keyless access CM.TROUBLE SYMPTOM:Not all functions operate at IGN ON.CAUTION:For replacement procedure of keyless access ...
