DTC Logic
DTC DETECTION LOGIC
NOTE:
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is between 10 V and 16 V at idle.
2.PERFORM DTC CONFIRMATION PROCEDURE-I
With CONSULT
With GST
Follow the procedure "With CONSULT" above.
3.PERFORM DTC CONFIRMATION PROCEDURE-II
With CONSULT
CAUTION: Always drive vehicle at a safe speed.
With GST
Follow the procedure "With CONSULT" above.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to EC-554, "Wiring Diagram".
1.CHECK FUNCTION OF EXHAUST VALVE TIMING (EVT) CONTROL
With CONSULT
Without CONSULT
2.CHECK EVT CONTROL MAGNET RETARDER
3.REPLACE EVT CONTROL MAGNET RETARDER
4.CHECK EVT CONTROL POSITION SENSOR
5.CHECK CRANKSHAFT POSITION SENSOR
6.CHECK CAMSHAFT POSITION SENSOR
7.CHECK CAMSHAFT (EXH)
Check the following.
8.CHECK TIMING CHAIN INSTALLATION
Check service records for any recent repairs that may cause timing chain misalignment.
9.REPLACE EVT CONTROL PULLEY ASSEMBLY
10.CHECK INTERMITTENT INCIDENT
Component Inspection
1.CHECK EXHAUST VALVE TIMING CONTROL MAGNET RETARDER
2.REPLACE EXHAUST VALVE TIMING CONTROL MAGNET RETARDER
Brake booster
Exploded View
Master cylinder assembly
Brake booster
Brake pedal
Lock nut
Gasket
Removal and installation
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings
to prevent fluid from spilling.
REMOVAL
Release the fuel pressure. Refer to ...
Service data and specifications (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General Specifications
Brake Pedal
Check Valve
Brake Booster
Front Disc Brake
Rear Disc Brake
...
Brake booster
Inspection
OPERATION
With engine stopped, change vacuum to atmospheric pressure by
depressing brake pedal several times. Then with brake pedal fully
depressed, start engine and when vacuum pressure reaches the
standard, make sure that clearance between brake pedal and floor
panel decreas ...