INSPECTION
PROCEDURE
1. INSPECT MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY
(a) Check that the LED illuminates.
(1) Apply battery voltage to the multiplex network master switch assembly and check that the LED illuminates. OK:
If the result is not as specified, replace the multiplex network master switch assembly. |
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2. INSPECT DOOR CONTROL SWITCH ASSEMBLY
(a) Check the operation of the door control switch assembly.
(1) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the door control switch assembly. |
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(b) Check that the LED illuminates.
(1) Apply battery voltage to the multiplex network master switch assembly and check that the LED illuminates. OK:
If the result is not as specified, replace the door control switch assembly. |
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Toyota CH-R Service Manual > Immobiliser System(w/ Smart Key System): Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Immobiliser System
DTC No.
Detection Item
Link
B2779
Engine Starter Communication Malfunction
B2784
Antenna Coil Open / Short
B278A
...
Toyota CH-R Service Manual > Lin Communication System: Terminals Of Ecu
TERMINALS OF ECU
CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK
BODY ECU)
*A
1 Connector Type
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*A
2 Connector Type
-
-
(a) Disconnect the MB mai ...