PINPOINT TEST G207085p22

PINPOINT TEST G207085p22 : DTC C1947, C1948, C1981: FLASH CODE 49: DRIVER SEAT POSITION SWITCH MALFUNCTION

G207085t130 : CHECK THE DRIVER SEAT POSITION SWITCH SIGNAL CIRCUIT FOR HIGH RESISTANCE
1. Disconnect the battery negative terminal.
2. Wait one minute for the system to become safe.
3. Disconnect the RCM electrical connector, CR87.
4. Disconnect the driver seat position switch electrical connector, SD20.
5. Measure the resistance between CR87, pin 23 (UY) and SD20, pin 02 (UY).

- Is the resistance greater than 5 ohms?

-> YES
REPAIR the high resistance circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
GO to Pinpoint Test G207085t131.

G207085t131 : CHECK THE DRIVER SEAT POSITION SWITCH SIGNAL CIRCUIT FOR SHORT TO GROUND
1. Reconnect the battery negative terminal.
2. Measure the resistance between CR87, pin 23 (UY) and GROUND.

- Is the resistance less than 10,000 ohms?

-> YES
REPAIR the short circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
GO to Pinpoint Test G207085t132.

G207085t132 : CHECK THE DRIVER SEAT POSITION SWITCH SIGNAL CIRCUIT FOR SHORT TO HIGH VOLTAGE
1. Measure the voltage between CR87, pin 23 (UY) and GROUND.

- Is the voltage greater than 3 volts?

-> YES
REPAIR the short circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
GO to Pinpoint Test G207085t133.

G207085t133 : CHECK THE DRIVER SEAT POSITION SWITCH RETURN CIRCUIT FOR HIGH RESISTANCE
1. Disconnect the battery negative terminal.
2. Wait one minute for the system to become safe.
3. Measure the resistance between CR87, pin 24 (U) and SD20, pin 01 (U).

- Is the resistance greater than 5 ohms?

-> YES
REPAIR the high resistance circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
GO to Pinpoint Test G207085t134.

G207085t134 : CHECK THE DRIVER SEAT POSITION SWITCH RETURN CIRCUIT FOR SHORT TO GROUND
1. Reconnect the battery negative terminal.
2. Measure the resistance between CR87, pin 24 (U) and GROUND.

- Is the resistance less than 10,000 ohms?

-> YES
REPAIR the short circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
GO to Pinpoint Test G207085t135.

G207085t135 : CHECK THE DRIVER SEAT POSITION SWITCH RETURN CIRCUIT FOR SHORT TO HIGH VOLTAGE
1. Measure the voltage between CR87, pin 24 (U) and GROUND.

- Is the voltage greater than 3 volts?

-> YES
REPAIR the short circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
INSTALL a new driver seat position switch.