XJ (X350) V8-42L (2005) Component Information - Initial Inspection and Diagnostic Overview
![background image](/jaguar/xj_(x350)/v8-4.2l/Page-656024.png)
PINPOINT TEST G239843p27 : U2613; NAVIGATION CONTROL MODULE NOT RESPONDING
G239843t239 : CHECK NAVIGATION CONTROL MODULE, USING OPTICAL BUS TESTER
1. Connect the optical bus tester to the fibre optic lead connector DB06.
2. Set the optical bus tester to BY-PASS.
3. CLEAR the DTC.
4. Turn the ignition switch to the ACC position.
5. Wait for 10 seconds.
6. Check for DTCs.
-
Is U2613 set?
-> YES
For "wake-up" signal circuit tests, GO to Pinpoint Test G239843p5. See: Pinpoint Test G239843P5
GO to Pinpoint Test G239843t258. See: Pinpoint Test G239843P5
-> NO
GO to Pinpoint Test G239843t240.
G239843t240 : CHECK FOR DTC U2602 OR U2603
1. Check DTCs.
-
Are codes U2602 or U2603 logged?
-> YES
For optical ring tests, GO to Pinpoint Test G239843p29. See: Pinpoint Test G239843P29
and GO to Pinpoint Test G239843p30. See: Pinpoint Test G239843P30
-> NO
Recheck DTCs. No break in optical harness.
Pinpoint Test G239843P28
PINPOINT TEST G239843p28 : U2614; AMPLIFIER NOT RESPONDING
G239843t241 : CHECK AMPLIFIER USING OPTICAL BUS TESTER
1. Connect the optical bus tester to the fibre optic lead connector DB07.
2. Set the optical bus tester to BY-PASS.
3. CLEAR the DTC.
4. Turn the ignition switch to the ACC position.
5. Wait for 10 seconds.
6. Check for DTCs.
-
Is U2614 set?
-> YES
For "wake-up" signal circuit tests, GO to Pinpoint Test G239843p5. See: Pinpoint Test G239843P5
-> NO
GO to Pinpoint Test G239843t242.
G239843t242 : CHECK FOR DTC U2602 OR U2603
1. Check DTCs.
-
Are codes U2602 or U2603 logged?
-> YES
For optical ring tests, GO to Pinpoint Test G239843p29. See: Pinpoint Test G239843P29
and GO to Pinpoint Test G239843p30. See: Pinpoint Test G239843P30
-> NO
Recheck DTCs. No break in optical harness.
Pinpoint Test G239843P29