XJ (X350) V8-4.2L (2005)
G239843t113 : CHECK THE GROUND TO THE ASCCM
1. Measure the resistance between EC23, pin 02 (B) and GROUND.
-
Is the resistance greater than 5 ohms?
-> YES
REPAIR the high resistance circuit. TEST the system for normal operation.
-> NO
CHECK for DTCs indicating a network or module fault. REFER to the DTC index.
Pinpoint Test G239843P36
PINPOINT TEST G239843p36 : CHECK THE SUPPLIES AND GROUNDS TO THE AIR SUSPENSION CONTROL MODULE (ASU)
G239843t114 : CHECK THE PERMANENT SUPPLY TO THE ASU
1. Disconnect the ASU electrical connector, CR88.
2. Measure the voltage between CR88, pin 01 (NW) and GROUND.
-
Is the voltage less than 10 volts?
-> YES
REPAIR the circuit between the ASU and battery. This circuit includes the rear power distribution box (fuse 52). TEST the system for normal
operation.
-> NO
GO to Pinpoint Test G239843t115.
G239843t115 : CHECK THE SWITCHED SYSTEM POWER (SSP) SUPPLY TO THE ASU
1. Make sure the SSP relay is energized.
2. Measure the voltage between CR88, pin 02 (N) and GROUND.
-
Is the voltage less than 10 volts?
-> YES
REPAIR the circuit between the ASU and battery. This circuit includes the rear power distribution box (fuse 12) and the SSP relay. TEST the
system for normal operation.
-> NO
GO to Pinpoint Test G239843t116.
G239843t116 : CHECK THE GROUND TO THE ASU
1. Measure the resistance between CR88, pin 03 (B) and GROUND.
-
Is the resistance greater than 5 ohms?
-> YES
REPAIR the high resistance circuit. TEST the system for normal operation.
-> NO
CHECK for DTCs indicating a network or module fault. REFER to the DTC index.
Pinpoint Test G239843P37
PINPOINT TEST G239843p37 : U2022; CONTROL PANEL COMMUNICATIONS ERROR
G239843t117 : CHECK THE CONTROL PANEL CLOCK CIRCUIT FOR HIGH RESISTANCE
1. Disconnect the battery negative terminal.
2. Disconnect the control panel electrical connector, CC20.
3. Disconnect the A/CCM electrical connector, AC101.
4. Measure the resistance between CC20, pin 07 (G) and AC101, pin 02 (G).
-
Is the resistance greater than 5 ohms?
-> YES
REPAIR the high resistance circuit. CLEAR the DTC. TEST the system for normal operation.