|
|
Fig. 4: Identifying CPS Circuit & Connector
CPS CIRCUIT PIN IDENTIFICATION 1. Turn ignition off. Install BOB. Leave ECA disconnected. Unplug distributor connector. Measure resistance of CPS, VPWR, and GND wires between ECA and distributor. If all resistances are not less than 5 ohms, repair wire in question. If all resistances are less than 5 2. Turn ignition off. Unplug distributor connector. Turn ignition on. Measure voltage between distributor VPWR and GND wires. If voltage is more than 10 volts, replace CPS sensor. If voltage is not more than 10 volts, repair distributor GND wire. PINPOINT TEST CID - CYLINDER IDENTIFICATION SENSOR
Fig. 5: Identifying CID Circuit & Connectors
CID CIRCUIT PIN IDENTIFICATION 1. Turn ignition off. Install BOB, leaving ECA disconnected. Unplug distributor connector. Measure resistance between BOB pin No. 34 and CID terminal on distributor harness connector. Repair Yellow wire between ECA and distributor if resistance is greater than 5 2. Turn ignition on. Measure voltage between distributor VPWR and GND wires. If voltage is greater than 10 volts, replace CID sensor. If voltage is not greater than 10 volts, repair distributor GND wire. PINPOINT TEST KC - KNOCK CONTROL Circuit ECA Pin BOB Pin Wire Color CPS 2E 56 YEL/BLU GND 2A 39, 40, 44, 60 BLK GND 2B 20 BLK GND 2C 16 BLK VPWR 1B 37, 57 YEL/BLK NOTE: Enter this test only when Code 03 is displayed during QUICK TESTS procedure or when directed here Circuit ECA Pin BOB Pin Wire Color CID 1N 34 YEL NOTE: Enter this test only when directed here from QUICK TESTS. |