COMPONENTS
ILLUSTRATION
On-vehicle InspectionRemoval
REMOVAL
PROCEDURE
1. DISCHARGE FUEL SYSTEM PRESSURE
HINT:
See page
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable
is reconnected (See page ).
3. REMOVE W ...
Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
HINT:
Inspect the ECM using check mode. Intermittent problems are easier to detect
with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1
trip detection logic, which is more sensitive to malfuncti ...
Operation Check
OPERATION CHECK
1. MALFUNCTION BUZZER
(a) Open circuit or frozen
(1) If an open circuit is detected between the ultrasonic sensors and the clearance
warning ECU assembly, if a sensor malfunction is detected or if a sensor is covered
with foreign matter, ...