SYSTEM DIAGRAM
Communication Table
|
Sender |
Receiver |
Signal |
Line |
|---|---|---|---|
|
Main body ECU (Driver side junction block assembly) |
Power back door ECU (Power back door motor unit) |
|
CAN |
|
Power back door ECU (Power back door motor unit) |
Main body ECU (Driver side junction block assembly) |
|
CAN |
|
Certification ECU |
Main body ECU (Driver side junction block assembly) |
Transmitter switch signal |
CAN |
System Description
How To Proceed With TroubleshootingFront Occupant Classification Sensor LH Circuit Malfunction (B1780)
DESCRIPTION
The front occupant classification sensor LH circuit consists of the occupant
classification ECU and front occupant classification sensor LH.
DTC B1780 is recorded when a malfunction is detected in the front occupant classification
sensor LH c ...
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable
is reconnected (See page ).
2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY
3. REMOVE COOL AIR ...
Cooling Fan Circuit
DESCRIPTION
The ECM turns on or off the fan relays using signals calculated from the engine
coolant temperature, air conditioning (ON/OFF), air conditioner refrigerant pressure,
engine speed, and vehicle speed signals.
The ECM switches the circuit of the ...