NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
Use chart below to find the cause of the symptom. If necessary, repair or replace these parts.

×: Applicable
Preparation
Periodic maintenanceP014C, P014D, P015A, P015B, A/F sensor 1
DTC Description
DTC DETECTION LOGIC
To judge malfunctions, this diagnosis measures response time of the A/F
signal computed by ECM from the A/
F sensor 1 signal. The time is compensated by engine operating (speed and load),
fuel feedback control constant,
and the A/F sensor 1 temperature ind ...
Basic inspection
DIAGNOSIS AND REPAIR WORK FLOW
Work flow
OVERALL SEQUENCE
DETAILED FLOW
1.OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain as much information as possible about the
conditions and environment under
which the malfunction occurred.
>> GO TO 2.
2.CHECK SYMPTOM
...
P1078 EVT control position sensor
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P1078
EXH TIM SEN/CIRC-B1
(EXH TIM SEN/CIRC-B1)
An excessively high or low voltage from the sensor is sent to ECM.
POSSIBLE CAUSE
H ...