Description
SYSTEM DESCRIPTION
The ECM performs ON/OFF duty control of the A/F sensor 1 heater corresponding to the engine operating condition to keep the temperature of A/F sensor 1 element within the specified range.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next test.
TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.
2.PERFORM DTC CONFIRMATION PROCEDURE
Diagnosis Procedure
Regarding Wiring Diagram information
1.CHECK GROUND CONNECTION
2.CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
3.DETECT MALFUNCTIONING PART
Check the following.
4.CHECK A/F SENSOR 1 HEATER OUTPUT SIGNAL CIRCUIT
5.CHECK A/F SENSOR 1 HEATER
6.REPLACE AIR FUEL RATIO (A/F) SENSOR 1
Replace malfunctioning air fuel ratio (A/F) sensor 1.
CAUTION:
7.CHECK INTERMITTENT INCIDENT
Component Inspection
1.CHECK AIR FUEL RATIO (A/F) SENSOR 1
Check resistance between A/F sensor terminals as per the following.
2.REPLACE AIR FUEL RATIO (A/F) SENSOR 1
Replace malfunctioning air fuel ratio (A/F) sensor 1.
CAUTION:
Hazard switch
Component Function Check
1.CHECK HAZARD SWITCH SIGNAL BY CONSULT
CONSULT DATA MONITOR
Turn ignition switch ON.
Select "HAZARD SW" of BCM (FLASHER) DATA MONITOR item.
With operating the hazard switch, check the monitor status.
Diagnosis Procedure
1.CHECK HAZARD SWITCH SIGNAL I ...
Camshaft
Exploded View
Camshaft position sensor bracket (RH)
Camshaft brackets
No. 1 camshaft bracket (RH)
Camshaft (EXH) (RH)
Camshaft (INT) (RH)
Cylinder head (RH)
Cylinder head (LH)
Camshaft (EXH) (LH)
Camshaft (INT) (LH)
No. 1 camshaft bracket (LH)
Camshaft brackets
Cam ...
Blower motor
Description
COMPONENT DESCRIPTION
Brush-less Motor
The blower motor utilizes a brush-less motor with a rotating magnet.
Quietness is improved over previous motors where the brush was
the point of contact and the coil rotated.
Blower Motor Circuit
Component Function Check
1.CHECK OP ...