FixVault
Home
›
Subaru
›
1991
›
Legacy LSi, FWD
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Controls - Tests W/Codes
›
Diagnostic Code Charts
›
Code 21: Coolant (Water) Temperature Sensor
Code 21: Coolant (Water) Temperature Sensor
Fig 1: Schematic - Code 21, Coolant (Water) Temperature Sensor
Fig 2: Flow Chart - Code 21, Coolant (Water) Temperature Sensor
Fig 3: Code 21, Flow Chart Diagnostic Aids
Courtesy of SUBARU OF AMERICA, INC.