Microphone signal circuit
Audio unitHorn function
Description
Perform answer-back for each operation with horn.
Component Function Check
1. CHECK FUNCTION
Select HORN in "ACTIVE TEST" mode with CONSULT.
Check the horn (high/low) operation.
Diagnosis Procedure
1. CHECK HORN FUNCTION
Check horn function with horn switch
2. CHECK ...
Fuel pump
Description
*: ECM determines the start signal status by the signals of engine speed and
battery voltage.
The ECM activates the fuel pump for several seconds after the ignition switch is
turned ON to improve engine
start ability. If the ECM receives a engine speed signal from the camsh ...
Power seat switch ground circuit
Diagnosis Procedure
1. CHECK POWER SEAT SWITCH LH GROUND CIRCUIT
Turn ignition switch OFF.
Disconnect power seat switch LH.
Check continuity between power seat switch LH connector and
ground.
...