* When the power management control ECU is replaced with a new one and the cable from the negative (-) battery terminal is
connected, the power source mode becomes the on (IG) mode. When the battery is removed and reinstalled, the power source
mode that was selected when the battery was removed is restored.
* Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. CHECK CAN COMMUNICATION SYSTEM
(a) Check if CAN communication DTCs are output.
HINT
If any DTCs for CAN communication system malfunction are output, inspect those DTCs first.
OK:
CAN communication DTC is not output.
NG -- GO TO CAN COMMUNICATION SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) See: Diagnostic Trouble
Code Descriptions/CAN Communication System
OK -- Continue to next step.
2. CHECK SPEEDOMETER OPERATION
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Combination Meter / Data List.
(e) Check the Data List for proper functioning of the vehicle speed signal.
Combination Meter
OK:
Vehicle speed displayed on the Techstream is almost the same as the actual vehicle speed measured using a speedometer tester
(calibrated chassis dynamometer).
NG -- GO TO METER / GAUGE SYSTEM (Speedometer Malfunction) See: Instrument Panel, Gauges and Warning
Indicators/Testing and Inspection/Symptom Related Diagnostic Procedures/Speedometer Malfunction/Up to 08/2009
OK -- Continue to next step.
3. READ VALUE USING TECHSTREAM
(a) Enter the following menus: Body Electrical / Power Source Control / Data List.
(b) Read the Data List according to the display on the Techstream.
Power Source Control
OK:
Stop (vehicle is stopped) and Run (vehicle is running) appear on the screen.
NG -- CHECK HARNESS AND CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU)
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