DTC 74-40
DTC 74-40 Short in Speaker CircuitDESCRIPTION
DTC Detection Condition:
The speaker circuit has a fail-safe function. When a short in the circuit is detected, all sound outputs are stopped.
Wiring Diagram (part 1):
Wiring Diagram (part 2):
Wiring Diagram (part 3):
Wiring Diagram (part 4):
Step 1-4:
Step 5-6:
Step 7-8:
Step 9:
Step 10-11:
Step 11 (Continued)-13:
Step 14-15:
Step 16-17:
Step 18-19:
Step 20-22:
Step 22 (Continued)-25:
Step 26-27:
Step 28-29:
Step 30-31:
Step 31 (Continued)-33:
Step 34-35:
Step 36-37:
Step 38-39:
Step 40-41:
Step 42-43:
INSPECTION PROCEDURE
HINT: After the inspection is completed, clear the DTCs.