CHECK MODE PROCEDURE
1. DESCRIPTION
(a) Check mode has a higher sensitivity to malfunctions and can detect malfunctions that normal mode cannot detect. Check mode can also detect all the malfunctions that normal mode can detect. In check mode, DTCs are stored with 1 trip detection logic.
2. CHECK MODE PROCEDURE
(a) Make sure that the following conditions are met:
(1) Battery positive voltage 11 V or higher.
(2) Throttle valve fully closed.
(3) Shift lever in P or N.
(4) A/C off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Enter the following menus: Powertrain / Engine and ECT / Utility / Check Mode.
(f) Check that the MIL flashes as shown in the illustration.
NOTICE:
(g) Start the engine. The MIL should turn off after the engine starts.
(h) Perform "Monitor Drive Pattern" for the ECT test (See page
), or simulate the conditions of the malfunction
described by the customer.
(i) After simulating the malfunction conditions, use the Techstream to check the DTCs and freeze frame data.
System Description
SYSTEM DESCRIPTION
1. POWER DOOR LOCK CONTROL SYSTEM DESCRIPTION
(a) The power door lock system locks/unlocks all the doors.
The driver and front passenger side door control switches send lock/unlock request
signals to the main body ECU (multiplex network ...
Air Mix Damper Control Servo Motor Circuit (Driver Side) (B1446/46)
DESCRIPTION
The damper servo sub-assembly (driver side air mix damper servo) sends pulse
signals to inform the No. 1 air conditioning amplifier assembly of the damper position.
The No. 1 air conditioning amplifier assembly activates the motor (normal or r ...