Toyota Corolla Cross: Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT HEADLIGHT RELAY LH
(a) Check the operation of the headlight relay LH.
| (1) Measure the resistance according to the value(s) in the table below.
Standard Resistance: |
Tester Connection | Condition |
Specified Condition | |
3 - 5 | Voltage not applied between terminals 1 and 2 |
10 kΩ or higher | |
3 - 5 | Voltage applied between terminals 1 and 2 |
Below 1 Ω | If the result is not as specified, replace the headlight relay LH. |
|
2. INSPECT HEADLIGHT RELAY RH
(a) Check the operation of the headlight relay RH.
| (1) Measure the resistance according to the value(s) in the table below.
Standard Resistance: |
Tester Connection | Condition |
Specified Condition | |
3 - 5 | Voltage not applied between terminals 1 and 2 |
10 kΩ or higher | |
3 - 5 | Voltage applied between terminals 1 and 2 |
Below 1 Ω | If the result is not as specified, replace the headlight relay RH. |
|
3. INSPECT FOG LIGHT RELAY
(a) Check the operation of the fog light relay.
| (1) Measure the resistance according to the value(s) in the table below.
Standard Resistance: |
Tester Connection | Condition |
Specified Condition | |
3 - 5 | Voltage not applied between terminals 1 and 2 |
10 kΩ or higher | |
3 - 5 | Voltage applied between terminals 1 and 2 |
Below 1 Ω | If the result is not as specified, replace the fog light relay. |
|
4. INSPECT HEADLIGHT DIMMER RELAY
(a) Check the operation of the headlight dimmer relay.
| (1) Measure the resistance according to the value(s) in the table below.
Standard Resistance: |
Tester Connection | Condition |
Specified Condition | |
3 - 5 | Voltage not applied between terminals 1 and 2 |
10 kΩ or higher | |
3 - 5 | Voltage applied between terminals 1 and 2 |
Below 1 Ω | If the result is not as specified, replace the headlight dimmer relay. |
|
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REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 OUTER MIRROR COVER
87945 -
- -
2 OUTER MIRROR BEZEL
- -
INSPECTION PROCEDURE 1. INSPECT SIDE TURN SIGNAL LIGHT ASSEMBLY LH
(a) Check that the side turn signal light assembly LH.
(1) Apply auxiliary battery voltage to the side turn signal light assemb
SEE MORE:
TARGET ADJUSTMENT(FLAT SURFACE TARGET)
CAUTION / NOTICE / HINT
CAUTION:
Radiofrequency radiation exposure information:
This equipment complies with FCC radiation exposure limits set forth
for an uncontrolled environment.
This equipment should be kept with minimum distance of 20 cm (7.8
DESCRIPTION The headlight ECU sub-assembly LH and headlight ECU sub-assembly RH internally boost the power supply voltage to ensure a constant supplied current for the Lo/Hi beam LED of their respective headlight.
By monitoring the LED power supply voltage, abnormal current and malfunctions can be
