Test CID1 - Cylinder Identification No. 1

NOTE: Enter this test only when Code 03 is displayed during SELF-TEST procedures, or when directed here from another CIRCUIT TEST. This test is intended to diagnose only the following: CID1, CIDREF, VPWR and distributor ground.

Fig 1: Identifying CID1 Connector Terminals

CIRCUIT PIN IDENTIFICATION (CID1)

Circuit	Breakout Box Pin	ECA Pin
1.8L
CID1	24	2G
VPWR	37, 57	1B
Ground	39, 40, 44, 60	2A
2.2L Turbo
CID1	28	3G
CIDREF	13	3F

NOTE: The CID is incorporated with the Crankshaft Position Sensor (CPS) inside the distributor.

1) Checking System Integrity Visually check all wiring, connectors and components for evidence of damage, shorting or looseness. If a fault is found, repair as necessary. If no fault is found, go to step 2).

2) Checking CID1 Circuit Resistance Turn ignition off. Install breakout box, leaving ECA disconnected. Disconnect distributor connector. On 1.8L engines, check resistance of CID1 (Yellow/Blue wire), VPWR (White/Red wire) and GND (Black/Orange wire) circuits between ECA and distributor. On 2.2L engines, check resistance of CID1 (Green wire) and CIDREF (White wire) circuits between ECA and distributor. On all models, if resistance is more than 5 ohms, repair circuit. If resistance is not more than 5 ohms, go to next step.

3) Checking CID1 Circuit Voltage Install breakout box, and leave ECA disconnected. On 1.8L engines, measure voltage between CID1 and GND test pins while cranking engine. If voltage is 1.5 volts, replace ECA. If voltage is not 1.5 volts, go to step 4). On 2.2L engines, measure voltage between CID1 and CIDREF test pins while cranking engine. If voltage is 0.6-0.8 volt, replace ECA. If voltage is not 0.6-0.8 volt, go to CIRCUIT TEST VPWR.

4) Checking Voltage To Distributor (1.8L) Disconnect distributor connector. Measure resistance between VPWR and ground. If voltage is less than 10 volts, go to CIRCUIT TEST VPWR. If voltage is more than 10 volts, measure resistance between VPWR and GND wire. If voltage is less than 10 volts, repair GND circuit wire. If voltage is more than 10 volts, replace CID1 sensor.