DESCRIPTION
The back-up power source circuit for the air conditioning amplifier assembly is shown below. Power is supplied even after the ignition switch is turned off and is used for diagnostic trouble code memory, etc.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER - BATTERY) |
(a) Disconnect the F42 amplifier connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F42-21 (B) - Body ground |
Always |
11 to 14 V |
*a |
Rear view of wire harness connector (to Air Conditioning Amplifier Assembly) |
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Bleeding
BLEEDING
CAUTION / NOTICE / HINT
NOTICE:
Bleed air with the shift lever in P and the parking brake set.
Bleed air while adding fluid to maintain the fluid level between the
MIN and MAX lines of the reservoir.
As brake fluid may overflow ...
Lost Communication with ECM / PCM "A" (U0100,U0126,U0129)
DESCRIPTION
The power steering ECU assembly receives signals from the ECM, steering angle
sensor and master cylinder solenoid (skid control ECU) via the CAN communication
system.
DTC Code
DTC Detection Condition
Trouble A ...