Wiring Diagram:

WARNING: This page is about a different variant/trim than selected.

Fig 1: Wiring Diagram - DTC P1544 Exhaust Gas Temperature Too High

G03830042

Courtesy of SUBARU OF AMERICA, INC.

DIAGNOSTIC PROCEDURE (DTC P1544)

Step		Check	Yes	No
1 CHECK FOR ANY OTHER DTC ON DISPLAY.		Is any other DTC displayed?	Inspect the relevant DTC using "List of Diagnostic Trouble Code (DTC)". < Ref. to , LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > NOTE: In this case, it is not necessary to inspect DTC P1544.	Go to step 2.
2 CHECK EXHAUST SYSTEM. Check the exhaust system parts. NOTE: Check the following items. Loose installation of exhaust manifold Cracks or hole of exhaust manifold Loose installation of front oxygen (A/F) sensor		Is there any fault in exhaust system?	Repair or replace the failure, then replace precatalytic converter.	Contact your SOA Service Center.