DESCRIPTION
The headlight beam level control system indicator light in the combination meter assembly comes on for approximately 3 seconds when the ignition switch is turned to ON. The indicator light also comes on when the headlight leveling ECU assembly detects a malfunction.
WIRING DIAGRAM
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (BATTERY - COMBINATION METER ASSEMBLY) |
(a) Disconnect the E2 combination meter assembly connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
E2-13 (IG+) - Body ground |
Ignition switch ON |
11 to 14 V |
Ignition switch off |
Below 1 V |
*1 |
Front view of wire harness connector (to Combination Meter Assembly) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - 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 |
---|---|---|
A40-6 (WNG) - E2-22 (LVWG) |
Always |
Below 1 Ω |
A40-6 (WNG) - Body ground |
Always |
10 kΩ or higher |
*1 |
Front view of wire harness connector (to Headlight Leveling ECU Assembly) |
*2 |
Front view of wire harness connector (to Combination Meter Assembly) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
INSPECT COMBINATION METER ASSEMBLY |
(a) Reconnect the E2 combination meter assembly connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
E2-22 (LVWG) - Body ground |
Ignition switch ON |
11 to 14 V |
*1 |
Component with harness connected (Combination Meter Assembly) |
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPLACE COMBINATION METER ASSEMBLY |
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" column ...
BUS IC Communication Malfunction (B1497/97)
DESCRIPTION
The air conditioning harness connects the A/C amplifier and each servo. The A/C
amplifier supplies power and sends operation instructions to each servo through
the air conditioning harness. Each servo sends the damper position information to
...
Installation
INSTALLATION
PROCEDURE
1. INSTALL GENERATOR ASSEMBLY
(a) Install the wire harness clamp with the bolt.
Torque:
8.4 N·m {86 kgf·cm, 74 in·lbf}
(b) Install the 2 bolts.
Torque: ...