Toyota Yaris: Automatic High Beam Main Switch / Inspection
INSPECTION
PROCEDURE
1. INSPECT AUTO HIGH BEAM SWITCH
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection | Condition | Specified Condition | H47-5 (+B) - H47-2 (E) | Auto high beam switch off | 10 kΩ or higher | H47-5 (+B) - H47-2 (E) | Auto high beam switch on | Below 1 Ω | If the result is not as specified, replace the auto high beam switch. |
| *a | Component without harness connected (Auto High Beam Switch) | | |
(b) Check the illumination.
(1) Apply auxiliary battery voltage to the auto high beam switch and check that the switch illuminates. OK: Measurement Condition | Specified Condition | H47-6 (ILL+) - Auxiliary battery positive (+) H47-1 (ILL-) - Auxiliary battery negative (-) | Switch illumination illuminates | If the result is not as specified, replace the auto high beam switch. |
| *a | Component without harness connected (Auto High Beam Switch) | | |
(2) Apply auxiliary battery voltage to the auto high beam switch and check that the switch indicator illuminates. OK: Measurement Condition | Specified Condition | H47-3 (IND+) - Auxiliary battery positive (+) H47-4 (AZBI) - Auxiliary battery negative (-) | Switch indicator illuminates | If the result is not as specified, replace the auto high beam switch. |
| *a | Component without harness connected (Auto High Beam Switch) | | |
REMOVAL PROCEDURE 1. REMOVE CENTER LOWER INSTRUMENT COVER Click here
2. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL Click here
3. REMOVE SWITCH HOLE BASE SUB-ASSEMBLY Click here
4...
INSTALLATION PROCEDURE 1. INSTALL AUTO HIGH BEAM SWITCH (a) Engage the claws to install the auto high beam switch as shown in the illustration.
2...
Other information:
If the KEY warning light (red) illuminates, or the push button start
indicator light (amber) flashes, this could indicate that the engine may not
start using the usual starting method. Have your vehicle inspected at
your Toyota dealer as soon as possible...
PRECAUTION PRECAUTION FOR SEMICONDUCTOR POWER INTEGRATION ECU (a) Do not remove or install the semiconductor power integration ECU and power distribution box assembly with the negative (-) auxiliary battery terminal connected. NOTICE:
After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal...
Categories
Stop the vehicle completely.
Manual transaxle:
Shift into neutral and set the parking brake.
Automatic transaxle:
Shift the selector lever to the P position and set the parking brake.
Press the push button start to turn off the engine. The ignition position is
off.
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