NISSAN Intelligent KeyP0420, P0430 three way catalyst function
DTC Logic
DTC DETECTION LOGIC
The ECM monitors the switching frequency ratio of air fuel ratio (A/F)
sensor 1 and heated oxygen sensor 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2.
As oxygen sto ...
Main line between DLC and HVAC circuit
Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connectors.
ECM
A/C auto amp.
Check the continuity between the data link connector and the A/C ...
RearView Monitor (if so equipped)
1. CAMERA button
WARNING
Failure to follow the warnings and instructions
for proper use of the Rear-
View Monitor system could result in serious
injury or death.
RearView Monitor is a convenience feature
and is not a substitute for proper
backing. Always turn and look out the
...