Last Modified: 04-05-2023 |
6.11:8.1.0 |
Doc ID: RM1000000018KCJ |
Model Year Start: 2018 |
Model: Sienna |
Prod Date Range: [11/2017 - 08/2018] |
Title: NETWORKING: CAN COMMUNICATION SYSTEM: Front Camera Module Communication Stop Mode; 2018 MY Sienna [11/2017 - 08/2018] |
Front Camera Module Communication Stop Mode
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DESCRIPTION
Detection Item
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Symptom
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Trouble Area
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Front Camera Module Communication Stop Mode
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Either condition is met:
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Communication stop for "Front Camera Module" is indicated on the "Communication Bus Check" screen of the Techstream.
Click here
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Communication system DTCs (DTCs that start with U) that correspond to "Front Camera Module Communication Stop Mode" in "DTC Combination Table" are output.
Click here
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Forward recognition camera branch wire or connector
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Power source circuit of forward recognition camera
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Forward recognition camera ground circuit
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Forward recognition camera
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WIRING DIAGRAM
CAUTION / NOTICE / HINT
CAUTION:
When performing the confirmation driving pattern, obey all speed limits and traffic laws.
HINT:
-
Before disconnecting related connectors for inspection, push in on each connector body to check that the connector is not loose or disconnected.
-
When a connector is disconnected, check that the terminals and connector body are not cracked, deformed or corroded.
PROCEDURE
1.
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CHECK FOR OPEN IN CAN BUS WIRE (FORWARD RECOGNITION CAMERA CAN BRANCH WIRE)
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(a) Disconnect the cable from the negative (-) battery terminal.
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*a
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Front view of wire harness connector
(to Forward Recognition Camera)
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(b) Disconnect the forward recognition camera connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
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Condition
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Specified Condition
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T32-5 (CA1P) - T32-11 (CA1N)
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Cable disconnected from negative (-) battery terminal
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54 to 69 Ω
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NG |
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REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO FORWARD RECOGNITION CAMERA (CA1P, CA1N)
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OK
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2.
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CHECK HARNESS AND CONNECTOR (FORWARD RECOGNITION CAMERA - BATTERY AND BODY GROUND)
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(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
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Condition
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Specified Condition
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T32-10 (GND) - Body ground
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Cable disconnected from negative (-) battery terminal
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Below 1 Ω
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*a
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Front view of wire harness connector
(to Forward Recognition Camera)
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|
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(b) Reconnect the cable to the negative (-) battery terminal.
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.
Click here
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection
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Switch Condition
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Specified Condition
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T32-7 (IGB) - Body ground
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Ignition switch ON
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11 to 14 V
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NG |
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REPAIR OR REPLACE HARNESS OR CONNECTOR
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