DESCRIPTION
The headlight leveling ECU assembly outputs DTC information to the Techstream via this circuit.
WIRING DIAGRAM
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (DLC3 - HEADLIGHT LEVELING ECU ASSEMBLY) |
(a) Disconnect the A40 headlight leveling ECU assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A40-15 (PRST) - D1-7 (SIL) |
Always |
Below 1 Ω |
A40-15 (PRST) - 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 |
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT) (w/ POWER BACK DOOR
SYSTEM)
(a) Disconnect the L20 power back door ECU connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
...
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL GENERATOR ROTOR ASSEMBLY
(a) Place the drive end frame on the clutch pulley.
(b) Install the generator rotor assembly to the drive end frame.
2. INSTALL GENERATOR CL ...
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 ...