REMOVAL
PROCEDURE
1. REMOVE INSTRUMENT PANEL LOWER FINISH PANEL SUB-ASSEMBLY
(See page
)
2. REMOVE DRIVER SIDE JUNCTION BLOCK
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(a) Disconnect the 5 connectors on the front side. |
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(b) Remove the 2 nuts to separate the driver side junction block. |
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(c) Disconnect the 2 connectors on the back side to remove the driver side junction block. |
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3. REMOVE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
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(a) Press the claw of the driver side junction block as shown in the illustration to release the lock. Text in Illustration
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(b) With the driver side junction block lock released, insert a screwdriver with its tip wrapped in protective tape horizontally between the main body ECU (multiplex network body ECU) and driver side junction block.
NOTICE:
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(c) Using a screwdriver with its tip wrapped in protective tape, carefully raise the main body ECU (multiplex network body ECU) to the position where the connector becomes disconnected. Text in Illustration
NOTICE:
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(d) Raise the main body ECU (multiplex network body ECU) and disengage the 2 guides as shown by the arrow (1), and then pull it out as shown by the arrow (2) in the illustration to remove it. NOTICE: Do not touch the main body ECU (multiplex network body ECU) connector. |
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Installation
Power SteeringSystem Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
Main Body ECU
(Multiplex Network Body ECU)
Clearance Warning ECU Assembly
Destination information signal
CAN Communication Line
...
Terminals Of Ecm
TERMINALS OF ECM
1. ECM
HINT:
The standard voltage between each pair of ECM terminals is shown in the table
below. In the table, first follow the information under "Condition". Look under
"Terminal No. (Symbol)" for the terminals to be inspected. The standard voltage
b ...
Steering Pad Switch Circuit
DESCRIPTION
This circuit sends an operation signal from the steering pad switch assembly
to the radio and display receiver assembly.
If there is an open in the circuit, the audio system cannot be operated using
the steering pad switch assembly.
If there is a short in the circuit, the same con ...