Subaru Legacy BN/BS (2015-2019) Service Manual: Caution
1. The airbag system wiring harness is routed near the TCM. CAUTION: • All the airbag system wiring harnesses and connectors are colored yellow. Do not use an electric test equipment to check these circuits. • Be careful not to damage the airbag system wiring harness when performing diagnostics or servicing the TCM. 2. When measuring the voltage or resistance of individual sensor or all electrical control modules, use a tapered pin with a diameter of 0.6 mm (0.024 in) or less and touch it to the tip of terminal. Never insert the tapered pin into the terminal because it deforms inside which may lead to malfunction. CAUTION: If a pin (or similar) was inserted in TCM connector, replace the TCM connector. 3. The TCM connector is waterproof. When measuring the TCM connector terminal voltage, or the resistance between the terminals, use the ST.
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Preparation tool
1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDescriptionREMARKS — (Newly adopted tool)SUBARU SELECT MONITOR 4Used for setting of each function and troubleshooting for electrical system.NOTE:For detailed op ...
Inspection
1. BATTERYCheck the battery. Battery > INSPECTION Battery > INSPECTIONStandard voltage: 12 V or moreSpecific gravity: 1.260 or more2. TRANSMISSION GROUNDMake sure that the ground terminal bolt is ti ...
Other materials:
Note
• The on-board diagnostic (OBD) system detects and indicates a fault in various inputs and outputs of the complex electronic control. Malfunction indicator light in the combination meter indicates occurrence of a fault or trouble.• Further, against any failure of sensors that would cause ...
