FAIL-SAFE CHART
1. Fail-safe
This function minimizes the loss of operation when any abnormality occurs in a sensor or solenoid.
Fail-safe Control List
Malfunction Part |
Function |
---|---|
Transmission revolution sensor (NT) |
During a transmission revolution sensor (NT) malfunction, shift control is performed based on the transmission revolution sensor (SP2) signal. |
Transmission revolution sensor (SP2) |
During a transmission revolution sensor (SP2) malfunction, shift control is performed based on the wheel speed sensor signal. |
ATF temperature sensors (No. 1 and No. 2) |
During an ATF temperature sensor malfunction, up-shifting to 5th and 6th is prohibited. |
Shift solenoid valve SL1, SL2, SL3 and SL4 |
Stop the conduction of electric power to a failed solenoid and shift gears by turning on/off normal solenoids. If all solenoids are malfunctioning, gears will be selected through mechanical hydraulic circuits. |
Shift solenoid valve SLT |
During a shift solenoid valve SLT malfunction, the current to the shift solenoid valve is stopped. However, shifting is performed through normal clutch pressure control. |
Shift solenoid valve SLU |
During a shift solenoid valve SLU malfunction, the current to the shift solenoid valve is stopped. This stops lock-up control, thus decreasing fuel economy. |
Gear Position |
1st |
2nd |
3rd |
4th |
5th |
6th |
---|---|---|---|---|---|---|
Shift solenoid valve SL1 |
ON |
ON |
ON |
ON |
OFF |
OFF |
Shift solenoid valve SL2 |
OFF |
OFF |
OFF |
ON |
ON |
ON |
Shift solenoid valve SL3 |
OFF |
ON |
OFF |
OFF |
OFF |
ON |
Shift solenoid valve SL4 |
OFF |
OFF |
ON |
OFF |
ON |
OFF |
Gear Position under Normal Conditions |
1st |
2nd |
3rd |
4th |
5th |
6th |
|
---|---|---|---|---|---|---|---|
Shift solenoid valve SL1 |
ON Malfunction (without Fail-safe Control)* |
1st |
2nd |
3rd |
4th |
4th |
4th |
OFF Malfunction (without Fail-safe Control) |
1st to N |
2nd to N |
3rd to N |
4th to N |
5th |
6th |
|
Fail-safe Control during OFF Malfunction |
Fixed in 3rd or 5th |
||||||
Shift solenoid valve SL2 |
ON Malfunction (without Fail-safe Control)* |
1st to 4th |
2nd to 4th |
3rd to 4th |
4th |
5th |
6th |
OFF Malfunction (without Fail-safe Control) |
1st |
2nd |
3rd |
4th to 1st |
5th to N |
6th to N |
|
Fail-safe Control during OFF Malfunction |
Fixed in 2nd or 3rd |
||||||
Shift solenoid valve SL3 |
ON Malfunction (without Fail-safe Control)* |
1st to 2nd |
2nd |
3rd |
4th |
5th |
6th |
OFF Malfunction (without Fail-safe Control) |
1st |
2nd to 1st |
3rd |
4th |
5th |
6th to N |
|
Fail-safe Control during OFF Malfunction |
Fixed in 3rd |
||||||
Shift solenoid valve SL4 |
ON Malfunction (without Fail-safe Control)* |
3rd |
3rd |
3rd |
4th |
5th |
5th |
OFF Malfunction (without Fail-safe Control) |
1st |
2nd |
3rd to 1st |
4th |
5th to N |
6th |
|
Fail-safe Control during OFF Malfunction |
Fixed in 2nd |
Microphone Circuit between Microphone and Radio Receiver
DESCRIPTION
The navigation receiver assembly and telephone microphone assembly are connected
to each other using the microphone connection detection signal lines.
Using this circuit, the navigation receiver assembly sends power to the telephone
microphone assembly and the telephone microphone ...
Removal
REMOVAL
PROCEDURE
1. PRECAUTION
NOTICE:
After turning the engine switch off, waiting time may be required before disconnecting
the cable from the battery terminal. Therefore, make sure to read the disconnecting
the cable from the battery terminal notice before proceeding with work.
Click he ...
Operation Check
OPERATION CHECK
1. CHECK FUNCTION
(a) Check that the key reminder warning buzzer sounds.
(1) With the driver side door closed, insert the key into the ignition key cylinder
and then turn the key to LOCK or ACC.
(2) Check that the buzzer sounds intermittently when the driver side door is
open ...