Toyota Corolla (E120): Idle signal circuit

Inspection procedure

Circuit description

Other materials:

Antenna cord sub–assy
Replacement Hint: components: 1. Remove instrument panel sub–assy upper Hint: refer to the procedure until the step, ”remove instrument panel sub–assy upper” of instrument panel sub–assy lower. Remove the related parts as long as the antenna cord sub–assy can be removed ...

Sound quality is bad in all modes (volume is too low)
Wiring diagram Inspection procedure 1 Adjust sound quality Adjust the sound quality.  Operate the radio receiver assy to adjust the sound quality. Standard: malfunction disappear. 2 Compare it with another car of same model Compare it with another vehicle of the same mo ...

Bluetooth® phone message function
Received messages can be forwarded from the connected Bluetooth® phone, enabling checking and replying using the multimedia system. Depending on the type of Bluetooth® phone connected, received messages may not be transferred to the message inbox. If the phone does not support the message fu ...