SYSTEM DIAGRAM
Communication Table
|
Sender |
Receiver |
Signal |
Line |
|---|---|---|---|
|
Main Body ECU (Driver Side Junction Block Assembly) |
Clearance Warning ECU Assembly |
Destination information |
CAN |
|
ECM |
Clearance Warning ECU Assembly |
Shift position |
CAN |
|
Combination Meter Assembly |
Clearance Warning ECU Assembly |
Vehicle speed |
CAN |
|
Air Conditioning Amplifier Assembly |
Clearance Warning ECU Assembly |
Ambient temperature display |
CAN |
|
Clearance Warning ECU Assembly |
Combination Meter Assembly |
|
CAN |
System Description
How To Proceed With TroubleshootingTerminals Of Ecu
TERMINALS OF ECU
1. A/C AMPLIFIER
HINT:
Check from the rear of the connector while it is connected to the A/C amplifier.
Terminal No.
(Symbol)
Wiring Color
Terminal Description
Condition
Specified ...
MIL Circuit
DESCRIPTION
The MIL (Malfunction Indicator Lamp) is used to indicate vehicle malfunctions
detected by the ECM. By turning the ignition switch to ON, power is supplied to
the MIL circuit, and the ECM provides the circuit ground which illuminates the MIL.
...
Test Mode Procedure
TEST MODE PROCEDURE
1. ENTER TEST MODE (SIGNAL CHECK MODE)
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Check that the tire pressure warning light comes on for 3 seconds and then
goes ...