Jaguar XJ (X350). Manual — part 1582

•

Is the resistance greater than 5 ohms?

-> Yes
REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams.
CLEAR the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t131.

G1043827t131 : 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. For additional information, refer to the wiring diagrams. CLEAR
the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t132.

G1043827t132 : CHECK THE DRIVER SEAT POSITION
SWITCH SIGNAL CIRCUIT FOR SHORT TO POWER

1. Measure the voltage between CR87, pin 23 (UY) and GROUND.

•

Is the voltage greater than 3 volts?

-> Yes
REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR
the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t133.

G1043827t133 : CHECK THE DRIVER SEAT POSITION
SWITCH GROUND 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 GROUND (B) and SD20, pin 01 (B).

•

Is the resistance greater than 5 ohms?

-> Yes
REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams.
CLEAR the DTC. TEST the system for normal operation.

-> No
INSTALL a new driver seat position switch.

PINPOINT TEST G1043827p23 : DTC
B2434, B2435, B2691: FLASH CODE 51:
DRIVER SEAT BELT BUCKLE SWITCH
CIRCUIT MALFUNCTION

G1043827t136 : CHECK THE DRIVER SEAT BELT
BUCKLE SWITCH 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 belt buckle
switch electrical connector, SD19. 5. Measure the resistance between CR87, pin 25 (RW) and
SD19, pin 03 (RW).

•

Is the resistance greater than 5 ohms?

-> Yes
REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams.
CLEAR the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t137.

G1043827t137 : CHECK THE DRIVER SEAT BELT
BUCKLE SWITCH CIRCUIT FOR SHORT TO
GROUND

1. Reconnect the battery negative terminal. 2. Measure the resistance between CR87, pin 25
(RW) and GROUND.

•

Is the resistance less than 10,000 ohms?

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-> Yes
REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR
the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t138.

G1043827t138 : CHECK THE DRIVER SEAT BELT
BUCKLE SWITCH CIRCUIT FOR SHORT TO POWER

1. Measure the voltage between CR87, pin 25 (RW) and GROUND.

•

Is the voltage greater than 3 volts?

-> Yes
REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR
the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t139.

G1043827t139 : CHECK THE DRIVER SEAT BELT
BUCKLE SWITCH GROUND CIRCUIT FOR HIGH
RESISTANCE

1. Measure the resistance between SD19, pin 04 (BK) and GROUND.

•

Is the resistance greater than 5 ohms?

-> Yes
REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams.
CLEAR the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t140.

G1043827t140 : CHECK THE DRIVER SEAT BELT
BUCKLE SWITCH GROUND CIRCUIT FOR SHORT
TO POWER

1. Measure the voltage between SD19, pin 04 (BK) and GROUND.

•

Is the voltage greater than 3 volts?

-> Yes
REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR
the DTC. TEST the system for normal operation.

-> No
INSTALL a new driver seat belt buckle switch,
Front Safety Belt Buckle (76.73.49)

PINPOINT TEST G1043827p24 : DTC
B2438, B2439, B2692: FLASH CODE 52:
PASSENGER SEAT BELT BUCKLE
SWITCH CIRCUIT MALFUNCTION

G1043827t141 : CHECK THE PASSENGER SEAT BELT
BUCKLE SWITCH 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 passenger seat belt
buckle switch electrical connector, SP19. 5. Measure the resistance between CR87, pin 26
(RU) and SP19, pin 03 (RU).

•

Is the resistance greater than 5 ohms?

-> Yes
REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams.
CLEAR the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t142.

G1043827t142 : CHECK THE PASSENGER SEAT BELT
BUCKLE SWITCH CIRCUIT FOR SHORT TO
GROUND

1. Reconnect the battery negative terminal. 2. Measure the resistance between CR87, pin 26
(RU) and GROUND.

•

Is the resistance less than 10,000 ohms?

-> Yes
REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR
the DTC. TEST the system for normal operation.

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