Installation
ComponentsExtension Module Malfunction (B1552,B158A,B15BA)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the extension module.
DTC Code
DTC Detection Condition
Trouble Area
B1552
Internal malfunction of the extension module
Stereo component tuner assembly
...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. READ DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or sig ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK FUEL PUMP ASSEMBLY OPERATION
(a) Check fuel pressure.
(1) Connect the Techstream to the DLC3.
(2) Start the engine.
(3) Turn the Techstream on.
(4) Enter the following menus: Powertrain / Engine / Active Test / Control the
Target Fuel Pressure.
(5) ...