FAIL-SAFE CHART PULSE FAILURE (a) If the pulse sensor malfunctions, the following power window operations are prohibited. Multiplex Network Master Switch Assembly, Power Window Regulator Switch Assembly, Rear Power Window Regulator Switch Assembly (for Rear LH and Rear RH Doors) Power Window Oper
MONITOR DESCRIPTION The ECM uses sensors mounted in front of and behind the Three-Way Catalytic Converter (TWC) to monitor its efficiency. The first sensor, the air fuel ratio sensor, sends pre-catalyst information to the ECM. The second sensor, the heated oxygen sensor, sends post-catalyst informat