Re: O2 Sensor - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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Re: O2 Sensor
Posted by Darren900 (more from Darren900) on Fri, 12 Dec 2008 09:00:20
In Reply to: O2 Sensor, Ted, Thu, 11 Dec 2008 21:20:04
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That code has nothing to do with O2 sensors:
DTC P1334: COMBUSTION DETECTION CYLINDERS 3 & 4 CIRCUIT FAULT
1. Disconnect ignition discharge module (IDM) harness connector. Remove terminal No. 9
(Brown/Red wire) from harness connector. See Fig. 10 . Reconnect IDM harness connector.
Connect TECH 2 scan tool to Data Link Connector (DLC). Start engine and allow to idle. Use
scan tool to select READING: COMBUSTION DETECTION CYL 3+4/BANK 2. If scan tool
display indicates 100 percent, go to next step. If display is not as indicated, repair faulty circuit
between IDM harness connector terminal No. 9 and ECM harness connector terminal No. 6
(Brown/Red wire). See Fig. 1 for ECM location. See Fig. 7 for ECM terminal identification. See
appropriate wiring diagram in WIRING DIAGRAMS article. Go to step 3 .
2. Connect a fused jumper wire between disconnected IDM harness connector terminal No. 9
(Brown/Red wire) and ground. If scan tool display indicates 0 percent, replace IDM. If display is
not as indicated, repair faulty circuit between IDM harness connector terminal No. 9 and ECM
harness connector terminal No. 6 (Brown/Red wire). Go to next step.
3. Use scan tool to clear all system DTCs. Drive vehicle for 5 minutes under varying loads and
engine RPM. Recheck for any stored DTCs. If DTC P1334 is present, substitute known good
ECM and retest system. See ENGINE CONTROL MODULE (ECM) under COMPUTERIZED
ENGINE CONTROLS in REMOVAL, OVERHAUL & INSTALLATION article.
posted by 204.58.24...
Posts in this Thread:
- O2 Sensor, Ted, Thu, 11 Dec 2008 21:20:04
- Re: O2 Sensor, Darren900, Fri, 12 Dec 2008 09:00:20 <-- Viewing This Message
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