S-Type (X200) V8-4.2L (2005)
2. Disconnect the battery negative terminal.
3. Measure the resistance between the diagnostic connector FC001 pin 10, (U) and pin 016, BATTERY (OY).
-
Is the resistance less than 5 ohms?
-> Yes
REPAIR the SCP - circuit. CLEAR the DTC. TEST the system for normal operation.
-> No
G195523t89 : CHECK FOR SHORT CIRCUIT BETWEEN SCP + AND SCP -
1. Turn the ignition switch to the OFF position.
2. Disconnect the battery negative terminal.
3. Measure the resistance between the diagnostic connector FC001 pin 10, (U) and pin 2, (Y).
-
Is the resistance less than 5 ohms?
-> Yes
REPAIR the SCP + and/or SCP - circuit. CLEAR the DTC. TEST the system for normal operation.
-> No
G195523t90 : CHECK FOR OPEN CIRCUIT ON SCP + BETWEEN THE DIAGNOSTIC CONNECTOR AND THE IC
1. Turn the ignition switch to the OFF position.
2. Disconnect the battery negative terminal.
3. Disconnect the IC electrical connector, FC015.
4. Measure the resistance between the diagnostic connector FC001, pin 2 (Y) and FC015, pin 20 (Y).
-
Is the resistance less than 5 ohms?
-> Yes
-> No
REPAIR the SCP + circuit. CLEAR the DTC. TEST the system for normal operation.
G195523t91 : CHECK FOR OPEN CIRCUIT ON SCP - BETWEEN THE DIAGNOSTIC CONNECTOR AND THE IC
1. Turn the ignition switch to the OFF position.
2. Disconnect the battery negative terminal.
3. Disconnect the IC electrical connector, FC015.
4. Measure the resistance between the diagnostic connector FC001, pin 10 (U) and FC015, pin 10 (U).
-
Is the resistance less than 5 ohms?
-> Yes
-> No
REPAIR the SCP - circuit. CLEAR the DTC. TEST the system for normal operation.
G195523t92 : CHECK FOR CORRECT BUS TERMINATION ON SCP +
1. Turn the ignition switch to the OFF position.
2. Disconnect the battery negative terminal.
3. Reconnect the IC electrical connector, FC015.
4. Measure the resistance between the diagnostic connector FC001, pin 2 (Y) and GROUND.
-
Is the resistance 90 to 150 ohms?
-> Yes
INSTALL a new IC. CLEAR the DTC. TEST the system for normal operation.
-> No