Installation
On-vehicle InspectionOperation Check
OPERATION CHECK
1. CHECK FUNCTION
(a) Check that the key reminder warning buzzer sounds.
(1) With the driver side door closed, insert the key into the ignition key cylinder
and then make sure that the key is in LOCK or ACC.
(2) Check that the buzzer soun ...
Back-up Power Source Circuit
DESCRIPTION
The back-up power source circuit for the A/C amplifier is shown below. Power
is supplied even when the ignition switch is turned off. The power is used for diagnostic
trouble code memory, etc.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE ...
ECM Power Source Circuit
DESCRIPTION
When the ignition switch is turned to ON, the battery voltage is applied to IGSW
of the ECM. The output signal from the MREL terminal of the ECM causes a current
to flow to the coil, closing the contact of the engine room junction block assemb ...