ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY
(a) Connect the Techstream to the DLC3.
(b) Start the engine and turn the Techstream on.
(c) Inspect the oil control valve (for intake camshaft).
(1) Enter the following menus: Powertrain / Engine / Active Test / Control the VVT System (Bank 1).
(2) Check the engine speed when the oil control valve is operated using the Techstream with the engine coolant temperature at 50°C (122°F) or less.
HINT:
Standard Condition:
|
Tester Operation |
Specified Condition |
|---|---|
|
OCV is OFF |
Normal engine speed |
|
OCV is ON |
Soon after OCV switched from OFF to ON, engine idles roughly or stalls |
(d) Inspect the oil control valve (for exhaust camshaft).
(1) Enter the following menus: Powertrain / Engine / Active Test / Control the VVT Exhaust Linear (Bank 1).
(2) Check the engine speed when the oil control valve is operated using the Techstream with the engine coolant temperature at 50°C (122°F) or less.
HINT:
Standard Condition:
|
Tester Operation |
Specified Condition |
|---|---|
|
100% |
Soon after OCV switched from OFF (-100%) to ON (+100%), engine idles roughly or stalls. |
|
-100% |
Normal engine speed |
Components
RemovalDisabling the TRAC system
If the vehicle gets stuck in mud, dirt or snow, the TRAC system may reduce power
from the engine to the wheels. Pressing
to turn the system off may make it
easier for you to rock the vehicle in order to free it.
To turn the TRAC system off, quickly pr ...
Indicator Circuit
DESCRIPTION
The headlight beam level control system indicator light in the combination meter
assembly comes on for approximately 3 seconds when the ignition switch is turned
to ON. The indicator light also comes on when the headlight leveling ECU assembly ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) When troubleshooting On-Board Diagnostic (OBD II) vehicles, the vehicle must
be connected to the OBD II scan tool (complying with SAE J1987). Various data output
from the vehicle TCM can then be read.
(b) OBD II regul ...