Subaru Crosstrek Service Manual: Inspection
ENGINE (DIAGNOSTICS)(H4DO) > General Description
INSPECTION
Before performing diagnostics, check the following item which might affect engine problems.
1. BATTERY
1. Check the battery. Battery > INSPECTION">
2. Check the condition of the main and other fuses, and harnesses and connectors. Also check for proper grounding.
2. ENGINE GROUND
Make sure that the engine ground terminal has no contamination, corrosion or looseness and is properly connected to the engine.
Preparation tool
ENGINE (DIAGNOSTICS)(H4DO) > General DescriptionPREPARATION TOOL1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS — SUBARU SELECT MONITOR 4Used for setting of each function and troubleshoo ...
Note
ENGINE (DIAGNOSTICS)(H4DO) > General DescriptionNOTE• The on-board diagnostic (OBD) system detects and indicates a fault in various inputs and outputs of the complex electronic control. Malfu ...
Other materials:
Dtc u0401 invalid data received from ecm/pcm a
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0401 INVALID DATA RECEIVED FROM ECM/PCM “A”Detected when there is malfunction in CAN data from the engine control module (ECM).NOTE:Perform the diagnosis for LAN system. Basic Diagnosti ...
Installation
HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Hose and PipeINSTALLATIONCAUTION:• If the hose and pipe have been replaced, add an appropriate amount of compressor oil to the compressor. Compressor Oil > ADJUSTMENT">• Replace the O-rings with new parts, and then apply compresso ...
Note
SUNROOF/T-TOP/CONVERTIBLE TOP (SUNROOF) > Sunroof Control SystemNOTEFor operation procedures of each component of the sunroof control system, refer to the respective section.• Glass lid: Glass Lid">• Sunroof assembly: Sunroof Assembly">• Sunroof motor: Sunroof ...
