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Reference waveform No. 13
SDM communication signal (1)
Measurement terminal CH2: "G37-18" to "G33-3"
Oscilloscope setting
Measurement condition Ignition switch is at ON
BCM (Included in Junction Block Assembly)
Removal and Installation
CAUTION:
Do not attempt removal of BCM from junction
block assembly as it may cause contact
failure.
If there is faulty condition in BCM, replace
junction block assembly.
Removal
1) Disconnect negative cable from battery.
2) Disable air bag system referring to "Disabling Air
Bag System: in Section 8B".
3) Remove dash side trim (1) and steering column hole
cover (2).
4) Remove junction block assembly mounting nuts (3).
4. BCM
5. Junction block assembly
CH2: 2 V / DIV
TIME: 400 ms / DIV
position
Repair Instructions
S4RS0AA206001
I4RS0AA20027-
Body Electrical Control System:
5) Disconnect connectors from BCM and junction block
assembly.
6) Detach wiring harness clamp from junction block
assembly.
Installation
Reverse removal procedure for installation, noting
following points.
• Connect connectors securely.
• Enable air bag system referring to "Enabling Air Bag
System: in Section 8B".
• If BCM (included in junction block assembly) is
replaced with a new one, program transmitter code(s)
of keyless entry system, referring to "Programming
Transmitter Code: in Section 9F"
Outside Air Temperature Sensor Removal and
Installation
For removal and installation, refer to "Outside Air
Temperature Sensor Removal and Installation: in
Section 9C".
Outside Air Temperature Sensor Inspection
For inspection, refer to "Outside Air Temperature Sensor
Inspection: in Section 9C".
10B-39
I4RS0AA20026-
S4RS0AA206003
S4RS0AA206002
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