DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerAudio unit
Removal and Installation
Audio unit brackets (LH/RH)
A/C auto amp.
Cluster lid C lower
Audio unit Clip
Pawl
REMOVAL
Disconnect the battery negative terminal. Refer to PG-67, "Removal
and Installation (Battery)".
Remove cluster lid D. Refer to IP-11, "Removal and In ...
Basic inspection
INSPECTION AND ADJUSTMENT
Operational Check
DESCRIPTION
The purpose of the operational check is to check that the individual system
operates normally
Conditions: Engine running at normal operating temperature
INSPECTION PROCEDURE
1.CHECK MEMORY FUNCTION
Start the engine.
Operate the te ...
P0137, P0157 HO2S2
Description
The heated oxygen sensor 2, after three way catalyst (manifold),
monitors the oxygen level in the exhaust gas on each bank.
Even if switching characteristics of the air fuel ratio (A/F) sensor 1
are shifted, the air-fuel ratio is controlled to stoichiometric, by the signal
...