Operation CHARM: Car repair manuals for everyone.

Component Tests and General Diagnostics

INSPECTION







1. w/o Power Amplifier
INSPECT RADIO RECEIVER ASSEMBLY CIRCUIT
Disconnect the connectors from the radio receiver assembly, and inspect the connector on the wire harness side.







2. w/ Power Amplifier
INSPECT RADIO RECEIVER ASSEMBLY CIRCUIT
Disconnect the connectors from the radio receiver assembly, and inspect the connector on the wire harness side.
If the circuit is not as specified, inspect the circuits connected to other parts.

HINT: Check the wire harness between radio receiver assembly and the CD auto changer, between radio receiver assembly and power amplifier.







3. INSPECT POWER AMPLIFIER CIRCUIT
Disconnect the connector from power amplifier and inspect the connector on the wire harness side.
If the circuit is not as specified, inspect the circuits connected to other parts.







4. INSPECT STEERING PAD SWITCH
Check the resistance of the steering pad switch.
If the resistance is not as specified, replace the switch.