Catalyst System Efficiency Below Threshold
MONITOR DESCRIPTION
The ECM uses the sensors mounted in front of and behind the three-way
catalyst (TWC) to monitor its
efficiency. The first sensor, an Air Fuel ratio (A/F) sensor, sends pre-catalyst
A/F ratio information to the
ECM. The second sensor, a heated oxygen sensor (O2S), sends ...
Removal
1. REMOVE INSTRUMENT CLUSTER NO.1 FINISH PANEL CENTER
2. REMOVE INSTRUMENT CLUSTER NO.2 FINISH
PANEL CENTER
3. REMOVE INSTRUMENT CLUSTER FINISH PANEL GARNISH
4. REMOVE NAVIGATION RECEIVER ASSEMBLY WITH BRACKET
Remove the 4 screws.
Disconnect the connector and remove the
n ...
Safety Connect LED light Indicators
When the engine switch is turned to the “ON” position (vehicles without
a smart key system) or IGNITION ON mode (vehicles with a smart
key system), the red indicator light comes on for 2 seconds then turns
off. Afterward, the green indicator light comes on, indicating that the
service is act ...