Summary of Contents for Honda Accord 1997 62SN726 Service Manual - Page 50

  • Honda Accord 1997 62SN726 Service Manual - Page 50

    Troubleshooting Engine Control Module Terminal Arrangement (cont’dl EcM coNNEchR 8 Us?) l l 1 2 3 A 5 s 7 a IGPZ AFSA Ans Arm s‘l’s CVPP we? CKPP 9 1 l7 1 3 1 4 1 5 ‘6 L62 AFSB vss CVPM YDCM CKPM TERMINAL SIDE OF MALE YERMINALS EcM CONNECTOR 3 new . NOTE: Standard voltage Is 12 v. Terminal Wire “um.” “0 Terminal n-me sign-I IGPZ (POWER SOURCE) Power source for the ECM With ignition switch 0N (ll): 1 YEL/BLK control circuit. battery yoitage with ignition swnoh OFF: 0 v 2.1 WHY/RED AFSA lAn Fl SiGNAL A) Deteeta retard signal irorn the During iar ~aoour5 v TCM. During shitting momenlirv change to o v 3 RED/WM AC5 [AIC SWITCH Detects NC switch signal. th NC switch ON: a v SIGNAL] vmh NC switch OFF anery voltage ATPPN (A/T GEAR Detects A/T gear position switch In E orlfl position on RED/ELK POSITION SWITCN) signal. In any other position. battery voltage 5 BLUMED 575 {STARTER SWITCH Detects starter switch Signal. With starter switch 0N: battery voltage SIGNAL) Wllh starter switch OFF, ll v o VEL l:er (CVP SENSOR P stDEl Detects cvr sensor signal. Pulses when engine is running 7 GRN TDCP [TDC SENSOR P SIDE) Detects TDC sensor signal. Pulses when engin 5 running 3 BLU CKPP (exp SENSOR P SIDE) Detects CKP sensor Signal Pulses when engine is running 9 BRN/BLK LGZ (LOGIC GROUND) ground ior the ECM control clrcullt ‘0 LT GRN AFSB (Air Fl SIGNAL Bl Detects retard alonal irorn the TCM. During shilling momentary change to o v vss (VEHICLE SPEED Detects vss signal. With ignition switch 0N (Ill and «rent l3 BLU/WNT smson) wheels turned: cycles a v— about 5 v or battery voltage 14 BLK CYPM (ch SENSOR M stDEl Detects cvr sensor signal. Pulses when engine is running is RED TDCM (TDC SENSOR M SIDEl Detects TDC sensor signal. Pulses when engine is mnning ‘6 WHT CKPM (CKF SENSOR M SIDEl Detects CKP eensor signal, Pulses when engine is running 1: F2222 engine 11-8