CAN

M&A BRANCH LINE CIRCUIT





Diagnosis Procedure
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the unified meter and A/C amp. for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal?
YES - GO TO 2.
NO - Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of unified meter and A/C amp.
2. Check the resistance between the unified meter and A/C amp. harness connector terminals.





Is the measurement value within the specification?
YES - GO TO 3.
NO - Repair the unified meter and A/C amp. branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the unified meter and A/C amp. Combination Meter Unified Meter And A/C Amp, "UNIFIED
METER AND A/C AMP. : Diagnosis Procedure".
Is the inspection result normal?
YES (Present error)-Replace the unified meter and A/C amp. Exploded View.
YES (Past error)-Error was detected in the unified meter and A/C amp. branch line.
NO - Repair the power supply and the ground circuit.