Thermo King SR-2 SmartReefer2, Diagnostic Manual

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Section 2 – SR-2 Hardware Description
Interface Board Connector Maps
J1 - 64 Pin Microprocessor/Interface Board Connector
Not serviceable
J2 - 64 Pin Microprocessor/Interface Board Connector
Not serviceable
J7 – 36 pin Interface Board to Main Harness Connector– arranged by pin number
Pin # Wire # Description
2 2-01 Power to the alternator sense circuit.
3 26-01 Power to energize pilot solenoid (PS)
5 HG-01 Power to energize hot gas solenoid (HG)
11 EVC-01 To electronic throttling valve (black wire) (ETV)
12 EVD-01 To electronic throttling valve (white wire) (ETV)
13 SPP-02 Power to suction pressure transducer (red wire) (SPT)
14 DPP-02 Power to discharge pressure transducer (red wire) (DPT)
15 CLP-01 Power to coolant level sensor (red wire) (CLS)
16 CLS-01 Signal from coolant level sensor (white wire) (CLS)
17 PHPCO-01 To high pressure cutout switch (HPCO)
18 HPCO-01 To high pressure cutout switch (HPCO)
20 DSP-01 Power to the optional door switch (red wire) (DS)
21 DS-01 Signal from the optional door switch (white wire) (DS)
22 FP-01 To fuel pressure switch (FPS)
23 EVB-01 To electronic throttling valve (blue wire) (ETV)
24 EVA-01 To electronic throttling valve (red wire) (ETV)
25 SPN-02 Ground to suction pressure transducer (black wire) (SPT)
26 DPN-02 Ground to discharge pressure transducer (black wire) (DPT)
27 CLN-01 Ground to coolant level sensor (white wire) (SPT)
28 20B-01 To engine low oil pressure switch (LOPS)
29 OLS-01 To engine low oil level switch (OLS)
32 FLS-01 To optional fuel level switch (FLS)
33 EXC-01 Power to the alternator excite circuit
34 W-01 To the alternator “W” circuit
35 FS1-01 To flywheel sensor (FW)
36 FS2-01 To flywheel sensor (FW)
2-16
31 January 2005