Before drivingTachometer Malfunction
DESCRIPTION
The meter CPU receives the engine revolution signal from the ECM via the
direct lines. The meter CPU
displays engine revolution data that is calculated based on the data received
from the ECM.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER
...
Data list / active test
1. DATA LIST
HINT:
Reading the DATA LIST displayed on an intelligent tester
enables values, including those of the switches, sensors,
and actuators, to be checked without removing any
parts. Reading the DATA LIST as the first step in
troubleshooting is one method to shorten diagnostic
time.
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Power Seat Motor Circuit
DESCRIPTION
When the power seat control switch is operated, a command signal is sent to
the position control ECU
and switch assembly (power seat control switch and ECU). The front power seat
switch then controls the
appropriate seat motor as needed. This memory system does not use a seat
po ...