Last Modified: 01-30-2024 |
6.11:8.1.0 |
Doc ID: RM1000000026P8F |
Model Year Start: 2023 |
Model: RAV4 |
Prod Date Range: [10/2022 -
] |
Title: NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): Combination Meter ECU Communication Stop Mode; 2023 - 2024 MY RAV4 [10/2022 - ] |
Combination Meter ECU Communication Stop Mode
|
DESCRIPTION
Detection Item
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Symptom
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Trouble Area
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Combination Meter ECU Communication Stop Mode
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Any of the following conditions are met:
-
Communication stop for "Combination Meter" is indicated on the "Communication Bus Check" screen of the Techstream.
Click here
-
Communication stop history for "Combination Meter" is indicated on the "Communication Bus Check (Detail)" screen of the Techstream. (The Lost Communication Time value for "Combination Meter" is 6 or more.)
Click here
-
Communication system DTCs (DTCs that start with U) that correspond to "Combination Meter ECU Communication Stop Mode" in "DTC Combination Table" are output.
Click here
|
-
Combination meter assembly main wire or connector
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Power source circuit of combination meter assembly
-
Combination meter assembly ground circuit
-
Combination meter assembly
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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 (COMBINATION METER ASSEMBLY MAIN WIRE)
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(a) Disconnect the cable from the negative (-) battery terminal.
for 7 Inch Multi-information Display Type
*a
|
Front view of wire harness connector
(to Combination Meter Assembly)
|
for 12.3 Inch Multi-information Display Type
*a
|
Front view of wire harness connector
(to Combination Meter Assembly)
|
(b) Disconnect the combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for 7 Inch Multi-information Display Type
Tester Connection
|
Condition
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Specified Condition
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G18-9 (CANH) - G18-25 (CANL)
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Cable disconnected from negative (-) battery terminal
|
108 to 132 Ω
|
for 12.3 Inch Multi-information Display Type
Tester Connection
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Condition
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Specified Condition
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G140-31 (CANH) - G140-14 (CANL)
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Cable disconnected from negative (-) battery terminal
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108 to 132 Ω
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Result
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Proceed to
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OK (w/ Stop and Start System)
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A
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OK (w/o Stop and Start System)
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B
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NG
|
C
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C |
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REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR
|
A
|
|
|
2.
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CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
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(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for 7 Inch Multi-information Display Type
Tester Connection
|
Condition
|
Specified Condition
|
G18-23 (ES) - Body ground
|
Cable disconnected from negative (-) battery terminal
|
Below 1 Ω
|
for 12.3 Inch Multi-information Display Type
Tester Connection
|
Condition
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Specified Condition
|
G141-2 (ES) - Body ground
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Cable disconnected from negative (-) battery terminal
|
Below 1 Ω
|
for 7 Inch Multi-information Display Type
*a
|
Front view of wire harness connector
(to Combination Meter Assembly)
|
for 12.3 Inch Multi-information Display Type
*a
|
Front view of wire harness connector
(to Combination Meter Assembly)
|
(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:
for 7 Inch Multi-information Display Type
Tester Connection
|
Condition
|
Specified Condition
|
G18-22 (B) - Body ground
|
Always
|
11 to 14 V
|
G18-38 (IG+) - Body ground
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Ignition switch ON
|
10.5 to 16 V
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Ignition switch off
|
Below 1 V
|
for 12.3 Inch Multi-information Display Type
Tester Connection
|
Condition
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Specified Condition
|
G141-5 (B) - Body ground
|
Always
|
11 to 14 V
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G141-6 (IG+) - Body ground
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Ignition switch ON
|
10.5 to 16 V
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Ignition switch off
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Below 1 V
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Result
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Proceed to
|
OK
|
A
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NG (IG+ terminal)
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B
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NG (Other terminal)
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C
|
C |
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REPAIR OR REPLACE HARNESS OR CONNECTOR
|
3.
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CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
|
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
G18-23 (ES) - Body ground
|
Cable disconnected from negative (-) battery terminal
|
Below 1 Ω
|
|
|
*a
|
Front view of wire harness connector
(to Combination Meter Assembly)
|
|
|
(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
|
Condition
|
Specified Condition
|
G18-22 (B) - Body ground
|
Always
|
11 to 14 V
|
G18-38 (IG+) - Body ground
|
Ignition switch ON
|
11 to 14 V
|
Ignition switch off
|
Below 1 V
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
|