Commercial Service Tool

PrecautionVacuum lines
Exploded View
Clamp
Installation arrow
Vacuum hose
Vacuum pipe
Clip
To intake manifold
To brake booster
Front
Removal and Installation
REMOVAL
Disconnect the vacuum hose from the brake booster.
Disconnect the vacuum hose from the intake manifold.
Release the c ...
HVAC branch line circuit
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 A/C auto amp. for
damage, bend and loose connection (unit
side and connector side).
2.CHECK HARNESS FOR OPEN CIRCUI ...
Microphone signal circuit
Description
Voice signals are transmitted from the microphone to the AV control unit
using the microphone signal circuits.
Diagnosis Procedure
1.CHECK HARNESS BETWEEN AV CONTROL UNIT AND MICROPHONE
Turn ignition switch OFF.
Disconnect AV control unit connector and microphone connector ...