Jaguar XJ (X350). Manual — part 1581

the DTC. TEST the system for normal operation.

-> No
GO to Pinpoint Test G1043827t121.

G1043827t121 : CHECK THE DRIVER SIDE REAR
CRASH SENSOR SIGNAL 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 14 (WU) and CR61, pin 01 (U).

•

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 G1043827t122.

G1043827t122 : CHECK THE DRIVER SIDE REAR
CRASH SENSOR SIGNAL RETURN CIRCUIT FOR
SHORT TO GROUND

1. Reconnect the battery negative terminal. 2. Measure the resistance between CR87, pin 14
(WU) 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 G1043827t123.

G1043827t123 : CHECK THE DRIVER SIDE REAR
CRASH SENSOR SIGNAL RETURN CIRCUIT FOR
SHORT TO POWER

1. Measure the voltage between CR87, pin 14 (WU) 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 side rear crash sensor,
C-Pillar Side Impact Sensor (76.73.69)

PINPOINT TEST G1043827p21 : DTC
2296: FLASH CODE 46: PASSENGER
SIDE REAR CRASH SENSOR CIRCUIT
MALFUNCTION

G1043827t124 : CHECK THE PASSENGER SIDE REAR
CRASH SENSOR SIGNAL POWER 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 side rear
crash sensor electrical connector, CR51. 5. Measure the resistance between CR87, pin 15
(YR) and CR51, pin 02 (YR).

•

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 G1043827t125.

G1043827t125 : CHECK THE PASSENGER SIDE REAR
CRASH SENSOR SIGNAL POWER CIRCUIT FOR
SHORT TO GROUND

1. Reconnect the battery negative terminal. 2. Measure the resistance between CR87, pin 15
(YR) and GROUND.

•

Is the resistance less than 10,000 ohms?

www.

-> 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 G1043827t126.

G1043827t126 : CHECK THE PASSENGER SIDE REAR
CRASH SENSOR SIGNAL POWER CIRCUIT FOR
SHORT TO POWER

1. Measure the voltage between CR87, pin 15 (YR) 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 G1043827t127.

G1043827t127 : CHECK THE PASSENGER SIDE REAR
CRASH SENSOR SIGNAL RETURN 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. Measure the resistance between CR87,
pin 16 (O) and CR51, pin 01 (O).

•

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 G1043827t128.

G1043827t128 : CHECK THE PASSENGER SIDE REAR
CRASH SENSOR SIGNAL RETURN CIRCUIT FOR
SHORT TO GROUND

1. Reconnect the battery negative terminal. 2. Measure the resistance between CR87, pin 16
(O) 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 G1043827t129.

G1043827t129 : CHECK THE PASSENGER SIDE REAR
CRASH SENSOR SIGNAL RETURN CIRCUIT FOR
SHORT TO POWER

1. Measure the voltage between CR87, pin 16 (O) 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 passenger side rear crash sensor,
C-Pillar Side Impact Sensor (76.73.69)

PINPOINT TEST G1043827p22 : DTC
C1947, C1948, C1981: FLASH CODE 49:
DRIVER SEAT POSITION SWITCH
MALFUNCTION (VEHICLES WITH
PASSENGER SEAT POSITION SWITCH)

G1043827t130 : 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).

www.