IS-21072B
Service Bulletin Details
Public Details for: IS-21072B
Steering gateway. Revision b - pin 2 and 10 were inverted on connector a139
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2023 PREVOST H3-45 |
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Models from 2022
2022 PREVOST H3-45 |
2022 PREVOST H3-45 VIP |
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2022 PREVOST X3-45 VIP |
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Models from 2021
2021 PREVOST H3-45 |
2021 PREVOST H3-45 VIP |
2021 PREVOST X3-45 |
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2021 PREVOST X3-45 VIP |
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2021 PREVOST X3 COM |
Models from 2020
2020 PREVOST H3 |
2020 PREVOST H3-45 |
2020 PREVOST H3-45 VIP |
2020 PREVOST X3 |
2020 PREVOST X3-45 |
2020 PREVOST X3-45 COMMUTER |
2020 PREVOST X3-45 VIP |
2020 PREVOST X3 COACH |
2020 PREVOST X3 COM |
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2003 PREVOST H3 |
2003 PREVOST H3-45 |
2003 PREVOST H3 VIP |
2003 PREVOST X3-45 |
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2003 PREVOST XL |
2003 PREVOST XLII-45 |
Models from 2001
2001 PREVOST H3 |
2001 PREVOST XL |
2001 PREVOST XLII-45 |
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2000 PREVOST H3 |
2000 PREVOST XLII-45 |
Models from 1999
1999 PREVOST H3 |
IS-21072B Instruction Sheet STEERING GATEWAY Revision B PIN 2 and 10 where inverted on connector A139 01-16-2023 USE SECTION 1 OF THE INSTRUCTION Model VIN (Electric Fan Drive Vehicles) H345 Coaches. Model Year : 2019+ 2PCH33493KC710185 and up. H345 VIP. Model Year : 2019+ 2PCV33496KC710295 and up. X-Series Vehicles. Model Year : 2017+ Canada built vehicles: 2PCCS349XHC736160 and up. US built vehicles : 4RKG33491H9737417 and up. USE SECTION 2 OF THE INSTRUCTION Model VIN (Without Electric Fan Drive Vehicles) H345 Coaches. Model Year : 2019- Before 2PCH33493KC710185. H345 VIP. Model Year : 2019- Before 2PCV33496KC710295. X-Series Vehicles. Model Year : 2017- Canada built vehicles: Before 2PCCS349XHC736160. US built vehicles : Before 4RKG33491H9737417. MATERIAL Kit #IS21072 includes the following parts: Part No. Description Qty 564502 SOCKET MINI MATE N LOCK PRE-TIN 2 561479 TERM MOLEX .062 PIN 24-18AWG 1 560587 TERM,RING,ST,16-14,1/4,INS 1 562935 BUTT-SPLICE,22-18,INS 1 560784 SHRINK .250po .125po BLK -55C, +135C D/W 1 ft 562587 WIRE, 18 AWG, TXL, BLK, 125 DEG 6 ft IS-21072 INSTRUCTION SHEET (EN) 1 FI-21072 INSTRUCTION SHEET (FR) 1 Writer: mgIS-21072B Page 2 / 9 Other parts that may be required: Part No. Description 681485 EXTRACTOR, 11-03-002 564099 CLOTH TAPE, PROTECT. 150ªC - BLACK Qty 1 As req. NOTE Material can be obtained through regular channels. PROCEDURE DANGER Park vehicle safely, apply parking brake, stop engine. Prior to working on the vehicle, set the ignition switch to the OFF position and trip the main circuit breakers equipped with a trip button. On Commuter type vehicles, set the battery master switch (master cut-out) to the OFF position. Lock out & Tag out (LOTO) must be performed during set-up, maintenance or repair activities. Refer to your local procedure for detailed information regarding the control of hazardous energy. SECTION 1 (EFD VEHICLES) 1. Prepare the 2 lengths of 18AWG wires required for this modification. − Cut 36” of the supplied 562587 black wire and crimp a 564502 terminal at one end and a 561479 terminal at the other end. − Take 30” of the remaining 562587 black wire and crimp a 564502 terminal at one end and a 560587 ring terminal at the other end. 2. Under the dash, locate the A103 connector (left side of the steering column). Disconnect A103. Writer: mg IS-21072B Page 3 / 9 3. Using extractor tool 681485, remove the ground wire A55RJ1 located at PIN 4 of the A103 connector. 4. Cut the terminal and cover the end of the wire with a length of the supplied 560784 shrink tubing. 5. Remove the vehicle dashboard cover. 6. Locate the Gateway module located on the left side of the dashboard (close to the side window). Disconnect the module (A139 connector). Writer: mg IS-21072B Page 4 / 9 7. Using extractor tool 681485, remove the terminals located at PIN 2 (A55RJ1.18 wire) from the A139 module connector. 8. Cut the terminal from the end of the extracted wire and add a length of supplied shrink tubing to protect the end. 9. Route the previously prepared 36” black wire from connector A139 to connector A103 (pass through the dash near the steering column). 10. Insert one end of the 36” black wire in connector A139 PIN 10 and the other end of the wire in A103 PIN 4. Writer: mg IS-21072B Page 5 / 9 11. Connect the previously prepared 30” black wire to connector A139 PIN 2. 12. Route the other end of the 30” wire (ring terminal) inside the vehicle front junction box (FJB). 13. Connect the ring terminal of the wire to one of the front junction box ground studs. 14. Reconnect A139 and A103 connectors and power-on the vehicle to confirm that all the steering wheel buttons are working properly. Writer: mg IS-21072B Page 6 / 9 15. Secure all loose wires under the dashboard, front junction box and under the steering wheel. Put back the dashboard cover to finish the installation. Wiring diagram with EFD (before modification) Wiring diagram with EFD (after modification) Writer: mg IS-21072B Page 7 / 9 SECTION 2 (VEHICLES WITHOUT EFD) 16. Prepare a length of 18AWG black wire required for this modification. − Cut 36” of the supplied 562587 black wire and crimp a 564502 terminal at one end and a 561479 terminal at the other end. 17. Under the dash, locate the A103 connector (left side of the steering column). Disconnect A103. 18. Using extractor tool 681485, remove the ground wire 00A located at PIN 4 of the A103 connector. Writer: mg IS-21072B Page 8 / 9 19. Cut the terminal and cover the end of the wire with a length of the supplied 560784 shrink tubing. 20. Remove the vehicle dashboard cover. 21. Locate the Gateway module located on the left side of the dashboard (close to the side window). Disconnect the module (A139 connector). 22. Route the previously prepared 36” black wire from connector A139 to connector A103 (pass through the dash near the steering column). 23. Insert the end of the 36” black wire in connector A139 PIN 10 and the other end of the wire in A103 PIN 4. Writer: mg IS-21072B Page 9 / 9 24. Reconnect A139 and A103 connectors and power-on the vehicle to confirm that all the steering wheel buttons are working properly. 25. Secure all loose wires under the dashboard and under the steering wheel. Put back the dashboard cover to finish the installation. Wiring diagram without EFD (before modification) Wiring diagram without EFD (after modification) PARTS / WASTE DISPOSAL Discard waste according to applicable environmental regulations (Municipal/State[Prov.]/ Federal) Writer: mg