AD42.45-P-6001-27A | ESP and SPS test of electrical system CAN data bus |
| Scope of test | Measuring instrument/ | Operation/Requirement | Specified value | Possible cause/Remedy | ||
1.0 | CAN data bus | | Engine: Idling | Idle speed | Data bus 1.1 1.2 | ||
1.1 | Engine 119 CAN module in engine control module (ME-SFI) (N3/10) Resistance Engine 120 CAN module in left/right engine control module (ME-SFI) (N3/11 or N3/12) Resistance |
60 60 | N3/11 or N3/12 N3/11 or N3/12 |
61 61 | Pull out N3/10 and check directly at the control module Pull out N3/11 and N3/12 and check directly at the control module |
235–245 Ω 235–245 Ω | N3/10 Motor electronics (ME-SFI) Engine DMNL 9.5 or 9.6 Testing electrical system N3/11 or N3/12 Motor electronics (ME-SFI) Engine DMNL 9.5 or 9.6 Testing electrical system |
1.2 | CAN module in RCL control module (N54) Resistance |
L |
N54 |
H | Disconnect 2-pin coupling from N54 and check directly at control module | 115–125 Ω | N54 |