Special Service Tools
The actual shapes of the tools may differ from those illustrated here

Commercial Service Tool

Preparation
Clip listThe low washer fluid warning continues displaying, or does not display
Description
The warning is still displayed even after
washer fluid is added.
The warning is not displayed even though the
washer tank is empty.
Diagnosis Procedure
1.CHECK WASHER FLUID LEVEL SWITCH SIGNAL CIRCUIT
Check the washer fluid level switch signal cir ...
System description
COMPRESSOR CONTROL FUNCTION
Description
PRINCIPLE OF OPERATION
Compressor is not activated.
Functional circuit diagram
CAN (1): A/C switch signal
: Blower fan motor switch signal
CAN (2): A/C compressor request signal
Functional initial inspection chart
Fail-Safe
FAIL-SAFE FUNCTION ...
P0603 ECM power supply
Description
Battery voltage is supplied to the ECM even when the ignition switch
is turned OFF for the ECM memory function of the DTC memory, the
air-fuel ratio feedback compensation value memory, the idle air volume
learning value memory, etc.
DTC Logic
DTC DETECTION LOGIC
DTC CON ...