Nissan Rogue (T33) 2021-Present Service Manual: Diagnostic Can Communication Circuit
Diagnosis Procedure
CONNECTOR INSPECTION
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Turn the ignition switch OFF.
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Disconnect the battery cable from the negative terminal.
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Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).
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Data link connector
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8CH CAN gateway
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Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair the terminal and connector.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
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Disconnect the connector of 8CH CAN gateway.
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Check the continuity between the 8CH CAN gateway harness connector terminals.
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With type B meter
8CH CAN gateway harness connector Continuity Connector No. Terminal No. M16 5 3 Existed 4 2 Existed -
With type A meter
8CH CAN gateway harness connector Continuity Connector No. Terminal No. M9 41 39 Existed 40 38 Existed
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Is the inspection result normal?
YES>>GO TO 3.
NO>>Check the harness and repair or replace the root cause.
CHECK HARNESS CONTINUITY (SHORT CIRCUIT)
Check the continuity between the 8CH CAN gateway harness connector terminals.
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With type B meter
8CH CAN gateway harness connector Continuity Connector No. Terminal No. M16 5 4 Not existed -
With type A meter
8CH CAN gateway harness connector Continuity Connector No. Terminal No. M9 41 40 Not existed
Is the inspection result normal?
YES>>GO TO 4.
NO>>Check the harness and repair or replace the root cause.
CHECK HARNESS CONTINUITY (SHORT CIRCUIT)
Check the continuity between the 8CH CAN gateway harness connector and the ground.
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With type B meter
8CH CAN gateway harness connector Ground Continuity Connector No. Terminal No. M16 5 Not existed 4 Not existed -
With type A meter
8CH CAN gateway harness connector Ground Continuity Connector No. Terminal No. M9 41 Not existed 40 Not existed
Is the inspection result normal?
YES>>GO TO 5.
NO>>Check the harness and repair or replace the root cause.
CHECK 8CH CAN GATEWAY TERMINATION CIRCUIT
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Remove the 8CH CAN gateway.
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Check the resistance between the 8CH CAN gateway terminals.
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With type B meter
8CH CAN gateway Resistance (Ω) Terminal No. 5 4 Approx. 108 – 132 3 2 Approx. 108 – 132 -
With type A meter
8CH CAN gateway Resistance (Ω) Terminal No. 41 39 Approx. 108 – 132 40 38 Approx. 108 – 132
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Is the measurement value within the specification?
YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the diagnostic CAN communication circuit.
NO>>Replace the 8CH CAN gateway.
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