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. 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. Pinpoint Test G239843P29
and GO to Pinpoint Test G239843p30. Pinpoint Test G239843P30

-> NO
Recheck DTCs. No break in optical harness.