DESCRIPTION
When the engine is started, the generator assembly turns on and a voltage pulse signal is generated.
This signal is used by the air conditioning amplifier assembly.
The signal expressing the amount of output from the generator assembly is one element of PTC heater control.
WIRING DIAGRAM
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER - GENERATOR) |
(a) Disconnect the F42 amplifier connector.
(b) Disconnect the C5 generator connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F42-25 (ALT) - C5-3 (M) |
Always |
Below 1 Ω |
F42-25 (ALT) - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Menu list of the hands-free phone system
Normal operation
Using a short cut key
Automatic volume adjustment
When vehicle speed reaches 50 mph (80 km/h) or more, the volume automatically
increases. The volume returns to the previous volume setting when vehicle speed
drops to 43 mph (70 k ...
Lost Communication with "Seat Control Module A" (U0208)
DESCRIPTION
DTC Code
DTC Detection Condition
Trouble Area
U0208
There is no communication from the front power seat switch LH.
Power source or inside front power seat switch LH ...