View and download isuzu trooper 1999 workshop manual online. The quad driver is a safety valve for the ecm controlled circuits. The powertrain control module pcm operates its output devices, such as solenoid valves, relays and indicator lights, by commanding a driver module. This is a common fault with multec engine controllers. Plus, there are body b codes, chassis c codes, communication u codes that. The next step, before buying all the parts that autozoo has to sell is to have someone diagnose the circuits and components involved. That code sets when one of the components that they operate is drawing too much current and overloading the quad driver. Get the best auto repair information and are the two best shop manualsperiod.
The following pcm pins are controlled by quad driver modules qdms 1232. P1640 diagnostic trouble code discussion for december 2011 output driver 1 voltage high input note. P1640 driver1input high voltage p1641 malfunction indicator lamp mil control circuit. A load is connected between battery voltage and the qdm allowing the qdm driver to control the output. It is a series of grounding transistors inside the ecm and they are used to control the relays and solenoids that are controlled by the ecm.
A quad driver module qdm is an electronic switch which completes a ground circuit when switched on. The auto repair labor rates vary by location, your vehicles make and model, and even your engine type. A driver module is an electronic switch that turns on to complete the ground circuit and operate the 12 volt device. P1640 quad driver module qdm 00 not present p1503 immobiliser wrong signal 00 not present p1502 immobiliser no signal 00 not present. Usually, when you have this fault code, engine just runs fine, and check light is on. P1640 odm 1 input voltage high except 1998 rodeo p1640 odm output circuit fault 1998 rodeo p1650 quad driver module fault. When you get a quad driver fault, one or all 4 outputs are out of range. What is a quad driver module qdmand what does it control. Quad drive module 26 issue 93 z28 camaro forums at. Gm automotive technicians technical discussion and fixes.
I ran opcom the other day for the first time and have a couple of questions that hopefully some of you guys can answer for me. Engine control module eem, quad driveroutput driver circuit malfunction. This is a partial list of obdii manufacturer specific trouble codes for gm. The pcm will compare the voltage at the fuel control reference pulses from the ignition control module two crankshaft revolutions. I have a 1993 z28 and last year, after 180,000 miles on the originaly engine, the ses svc engine soon light came on.
A quad driver module operates 4 electronic switches for 4 output devices. Repair knowledge base06102010 georgias clean air force. How to get gm fault codes automotive troubleshooting secrets. Powertrain control module fault quad driver 1 p1647.
Those who told me to replace the ignition switch nailed the problem on the head. A quad driver is a small chip that regulates power to devices sensors on the motor. The only problem was my service engine ligh posts 1 chats0 p1640 quad driver in common as a device they control some part of. I would like to find out what the quad driver thats throwing the code actually controls so i can troubleshoot the problem and not replace parts that do not need replacing. Powertrain control module fault quad driver 2, or cooling fan relay 1. The qdm shuts down a shorted circuit to prevent high current flow from damaging the ecm. Quad driver module qdm b error the ecm uses quad drivers to control its output devices. Powertrain control module 5 volt reference voltage low. Wiring, poor connections, fuel tank level sensor, ecm. P1640, engine control module internal fault acura, honda. Quad driver module qdm a error the ecm uses quad drivers to control its output devices. Fan on relay control circuitoutput driver module quad driver b. Code 26 can indicate a circuit problem open or shorted in one of the devices controlled by qdm a some diagnostic charts may state which devices are controlled by qdm a. How to fix a code p1651 quad driver module b quick set.
Obdii manufacturer specific trouble codes for gm ricks. This is a professional automotive technicians resource. I ran opcom the other day for the first time and have a couple of questions that hopefully some of you. P1651 fan on relay control circuitoutput driver module quad driver b quickset. Quad driver module 1 and 4 640 1640 670 1670 error. Lesabre 1993 code 56 quad driver module b fault car. Both of these codes reflect with quad driver module 4 and 1, respectively. P1641 19941997 malfunction indicator lamp circuit malfunction. Its code 056 quad driver module b fault on my actron cp9185. Diagnostic trouble code dtc p1650 quad driver module a fault. Pcm replacement is not necessary after repairing qdm b quad driver controlled circuit or component. Both of those quad drivers have the egr valve in common as a device they control some part of. Key on, then the pcm detected an open, shorttoground or shorttovoltage on the qdm c fault line to the air pump relay or air pump solenoid, condition met for 20 seconds.
I erased the code, started it up and immediately got it back again with the service engine light on. These nomenclature differences are why land rover has manufacturer trouble codes that start p0 and p1. P1640 quad driver module qdm 00 not present p0325 knock signal circuit 00 not present imi puteti da o idee ce ar fi. We encourage you, however, to determine whether this product or your intended use is legal in your. Follow the manufacturers diagnostic flow chart using the proper tools and equipment to save you money and downtime. In other cases, it may be necessary to monitor which ecmcontrolled devices are operating when the check engine light comes on in.
Engine control module ecm, quad driveroutput driver circuit malfunction. P1650 control module output b circuit p1656 driver 2 line 6 p1657 14 upshift solenoid control circuit p1665 driver 3 line 5 p1666 driver 3 line 6 p1670 driver 4 i would consider this as a problem related to section b of the quad driver that gives electrical commands driver1 to 4 to the egr 3 sections and the tcc. If you are seeking an automotive repair professional to service your vehicle, visit the iatn repair shop finder. Throttlepetal position sensorswitch b circuit malfunction. I didnt realize that the power to the trans fuse came from a seperate feed from the ignition switch. Engine control module ecm, sensor supply voltage circuit malfunction. By roy, bat auto technical probably not but, if the vehicle is early gm and has a constant check engine light with a quad driver fault code set the computer ecm may have became permanently damaged. I should probably look at the haynes and figure out what a quad drive is. Obdii manufacturer specific trouble codes for gm ricks free. P1650 acura engine control module quad driver output driver.
Faulty quad driver module quad driver module harness is open or shorted quad driver module circuit poor electrical connection what does this mean. There should be at least 2 quad drivers maybe more and they would be numbered in. P1640 buick output driver module a error conditions. Fyi the quad drivers an intregral part of the pcm that control and monitor various functions. He gave me a fault codes of p1640 which is quad driverknock control module. P1651 fan on relay control circuitoutput driver module quad driver b quickset fault saturn device description realtek hd audio rear output driver module rtkhdaud. P1670 buick quad driver module c fault detected conditions. He did the test and said the ecu is faulty, needs replacing and recoding.
Code 56 can indicate a circuit problem open or shorted in one of the devices controlled. Land rover uses bank a and b rather than bank 1 and 2. P1650 power steering pressure switch out of selftest. Mil control or fan control relay 1 control circuit. Isuzu obd2 codes ricks free auto repair advice ricks. P1650 chevrolet output driver module 2 input high input conditions. U is the upstream oxygen sensor, d is the downstream oxygen sensor. I checked the code and it was quad driver module 26. Unlike the cheaper haynes and chilton manuals that cover multiple year models, leaving the exact information you need to fix your car, these professional manuals cover your exact year, make, model. P1650 buick output driver module 2 input high input conditions.
Plus i get p1640 qdm1 failure and p1650 qdm2 failure what are. A lot of electronics on these cars operate on 15v dc, the particular output may be 0v, thus the quad driver fault. In bill to m dule children did in this agreement, drivercarol disc burnett and industry would faking module manager may go a wife, quad, or dangerous driver also, as selected by module 4. Code 56 does not mean there is an internal ecm failure. Could someone please post a scan of a diagnostic flow chart for a cod p1640 on a 1994 buick regal with a 3. P1640 diagnostic trouble code discussion for dec 2011 on iatn.