Code No.B2464 Meter information switch seizure


caution Whenever the ECU is replaced, ensure that the communication circuit is normal.






TROUBLE JUDGEMENT



PROBABLE CAUSES



  • Damaged harness wires and connectors
  • Malfunction of meter information switch
  • Malfunction of combination meter

DIAGNOSIS PROCEDURE

STEP 1. Connector check: C-37 meter information switch connector

Q. Is the check result normal?
Go to Step 2.
Repair the connector.

STEP 2. Meter information switch check
Check the meter information switch. Refer to .

Q. Is the check result normal?
Go to Step 3.
Replace the meter information switch.

STEP 3. Resistance measurement at the C-37 meter information switch connector
(1)Disconnect the meter information switch connector, and then measure at the wiring harness side.
(2)Measure the resistance from C-37 meter information switch connector terminal No. 4 to body earth.
OK: Continuity exists (2 Ω or less)

Q. Is the check result normal?
Go to Step 5.
Go to Step 4.

STEP 4. Check the wiring harness between the C-37 meter information switch connector terminal No. 4 and the body earth.
Check the earth wires for open circuit.

Q. Is the check result normal?
Go to Step 7.
Repair the wiring harness.

STEP 5. Connector check: C-01 combination meter connector

Q. Is the check result normal?
Go to Step 6.
Repair the connector.

STEP 6. Check the wiring harness between the C-01 combination meter connector terminal No. 3 and the C-37 meter information switch terminal No. 1.
Check the output lines for open circuit.

Q. Is the check result normal?
Go to Step 7.
Repair the wiring harness.

STEP 7. Check whether the diagnosis code is reset.
Check again if the diagnosis code is set to the combination meter.
(1)Erase the diagnosis code.
(2)Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
(3)Check if diagnosis code is set.

Q. Is the diagnosis code set?
Go to Step 1.
The diagnosis is complete.