Diagnosis Procedure
1.
CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the combination meter for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal?
.
Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
Disconnect the connector of combination meter.
Check the resistance between the combination meter harness connector terminals.
Combination meter harness connector
Resistance (Ω)
Connector No.
Terminal No.
M76 (Without full TFT meter)
M77 (With full TFT meter)
18
19
Approx. 54 – 66
Is the measurement value within the specification?
.
Repair the combination meter branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the combination meter. Refer to the following.
Full TFT meter:
Diagnosis Procedure
7 inch information display:
Diagnosis Procedure
Is the inspection result normal?
(Present error)
Replace the combination meter. Refer to the following.
Full TFT meter:
Removal and Installation
7 inch information display:
Removal and Installation
(Past error)
Error was detected in the combination meter branch line.
Repair the power supply and the ground circuit.