| All values measured to ground unless otherwise noted | |||
| K40/4 | |||
| A1.1 | Main ground | Approx. 0 Ohms to ground | see also Pin B2.5 |
| A1.2 | Main ground | Approx. 0 Ohms to ground | see also Pin B2.5 |
| A1.3 | Circuit 87 switched power output to Z7/35, supplies motor management components |
Engine running 12 VDC | Feed from battery, circuit protected by K40f5 |
| A1.4 | Circuit 15 fused power output to Z3/29, supplies motor management components |
Ignition on 12 VDC | Circuit protected by K40f6 |
| A1.5 | Circuit 87 fused power output, supplies motor management components | Ignition on 12 VDC | Circuit protected by K40f4 |
| A1.6 | Starter lock-out signal output enables start procedure | Ignition on 12 VDC When starer turning 0 VDC |
|
| A1.7 | Air pump voltage supply, switched by relay K40k3 | 12 VDC with pump running | Feed from battery, Circuit protected by K40f7 |
| A2.2,3 | Pins not used | ||
| B1.1 | Pin not used | ||
| B1.2 | Circuit 30z power output to diagnostic connectors | 12 VDC at all times | Circuit protected by K40f1 |
| B1.3 | Air pump relay 86 signal, activated by N3/10 ECM | Disconnect ECT sensor and connect 2.5 KOhms resistor across pin 1 and 4 of B11/4 plug engine at idle, measure to circuit 87 pin A.2 12 VDC while pump is running (approx. 2 min) |
see also Pin B2.4 |
| B1.4 | Fuel pump activation signal input, energizes K27 | Ignition on 0.1-0.3 A current draw measure to pin B1.10 12 VDC for approx. 1 sec. Start engine 12 VDC during start process and when engine is running |
Note 1 |
| B1, 5, 6 |
Pins not used | ||
| B1.7 | Signal from "Diagnostic port" of Traction system to diagnostic connector (see also Pin H1.2) | Ignition on 12 VDC | To be tested with HHT refer to D.M. |
| B1.8 | Pin not used | ||
| B1.9 | Main Ground to W16/4 | Approx. 0 Ohms to ground | |
| B1.10 | Circuit 87 switched power input from Z7/35, energizes K27 | Ignition on 0.1-0.3 A current draw measure to pin B1.4 12 VDC for approx. 1 sec. Start engine 12 VDC during start process and when engine is running |
Note 1 |
| B2.1 | Pin not used | ||
| B2.2 | Circuit 87 fused power output to Z7/36, supplies motor management components | Ignition on 12 VDC | Circuit protected by K40f4 |
| B2.3 | Circuit 87 switched power output to fuel pump, switched by relay K40k1, controlled by engine ECM | Engine running 12 VDC | Feed from battery, fuse protected by K40f5 |
| B2.4 | Air pump relay 85 signal, activated by N3/10 ECM | Disconnect ECT sensor and connect 2.5 KOhms resistor across pin 1 and 4 of B11/4 plug engine at idle, measure to circuit 87 pin A.2 12 VDC while pump is running (approx. 2 min) |
see also Pin B1.3 |
| B2.5 | Main ground to W16/6 | Approx. 0 Ohms to ground | |
| C.1 | Circuit 30 main power input | 12 VDC at all times | Feed from battery |
| C.2 | Circuit 30 power output to engine control module | 12 VDC at all times | See also Pin C.1 |
| C.3 | Circuit 15 main power input | Ignition on 12 VDC | Feed from S2/1 via Z3/4 |
| C.4 | Circuit 30 power input | 12 VDC at all times | Feed from F1f29 via X12/3 |
| D.2,3 | Pins not used | ||
| E.1 | Pin not used | ||
| F1.1 | Pin not used | ||
| F1.2 | Fuel pump activation signal output, energizes K27 | Ignition on 0.1-0.3 A current draw measure to pin F1.4 12 VDC for approx. 1 sec. Start engine 12 VDC during start process and when engine is running |
Note 1 |
| F1.3 | Pin not used | ||
| F1.4 | Circuit 87 switched power input from Z7/35 via B1.10, energizes K27 | Ignition on 0.1-0.3 A current draw measure to pin F1.2 12 VDC for approx. 1 sec. Start engine 12 VDC during start process and when engine is running |
Note 1 |
| F2.1,2 | Pins not used | ||
| F2.3 | Circuit 87 power output to AT ECM and components, switched by relay K40/4k1 | Ignition on 12 VDC | |
| F2.4 | Pin not used | ||
| F2.5 | Circuit 15 U unfused power output to Transmission Range Recognition Switch | Ignition on 12 VDC | |
| G.1,2 | Pins not used | ||
| H1.1 | Fused power output to stop lamp switch (normally closed) | Ignition on, 12 VDC with brakes not applied, 0 VDC with brakes applied. |
Circuit protected by K40f2 |
| H1.2 | Signal from "Diagnostic port" of Traction system (see also Pin B1.7) | Ignition on 12 VDC | To be tested with HHT refer to D.M. |
| H2 | Fused power output to Traction systems | Circuit protected by K40f2 | |
| I.1 | Starter lock-out switched ground signal input enables start procedure | Ignition on 12 VDC When starer turning 0 VDC |
|
| I.2 | Circuit 87 M1 switched power input | Ignition on 12 VDC | Switched by relay K40/1 via Z7/35 |
| Note 1 | Activation of the FP occurs only once after ignition "ON". For next activation, engine must have run briefly. |
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