Starting System: Other Ford Focus II

Possible Causes

1. Battery
2. Starter motor
3. Relay
4. Circuit

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1. A1 CHECK THE BATTERY Check the battery with a Midtronics tester. Carry out the battery capacity test using a diagnostic tool. Is the battery OK? Yes : GO to A2 . No : INSTALL a new battery. REFER to «BATTERY MOUNTING AND CABLES»(ref-255404) . CHECK the battery with a Midtronics tester. TEST the system for normal operation.
2. A2 CHECK THE STARTER RELAY Disconnect: Starter Relay. Carry out the ISO mini relay component test. Refer to «MINI ISO RELAY»(ref-252566-S01314762202007041800000) . Is the relay OK? Yes : GO to A3 . No : INSTALL a new starter relay. TEST the system for normal operation.
3. A3 CHECK THE VOLTAGE TO THE STARTER RELAY CIRCUIT 30-BB9 (RD) Key in START position. Measure the voltage between central junction box (CJB) starter relay socket C2163-30, circuit 30-BB9 (RD) and ground. Is the voltage greater than 10 volts? Yes : GO to A4 . No : REPAIR circuit 30-BB9 (RD) for an open. TEST the system for normal operation.
4. A4 CHECK CIRCUIT 50-BB12 (GY) FOR AN OPEN Key in OFF position. Disconnect: Starter Motor C197. Automatic transaxle: Place the vehicle in PARK. Measure the resistance between starter motor C197-2, circuit 50-BB2 (BK) and CJB starter relay socket C2163-87, circuit 50-BB12 (GY). Is the resistance less than 5 ohms? Yes : GO to A5 . No : For manual transaxle, REPAIR circuit 50-BB12 (GY)/50-BB2 (BK) for an open. TEST the system for normal operation. For automatic transaxle, GO to A6 .
5. A5 CHECK THE STARTER MOTOR FEED Measure the voltage between starter motor C197-1, circuit 30-BB10 (RD) and ground. Is the voltage greater than 10 volts? Yes : CLEAN and TIGHTEN all positive battery cable connections. TEST the system for normal operation. If the concern persists, INSTALL a new positive battery cable. No : REPAIR circuit 30-BB10 (RD) for an open. TEST the system for normal operation.
6. A6 CHECK CIRCUIT 50-BB12 (GY)/50-BB14 (GY/RD) FOR AN OPEN Disconnect: TR Sensor C167. Measure the resistance between CJB starter relay socket C2163-87, circuit 50-BB12 (GY) and TR sensor C167-6, circuit 50-BB14 (GY/RD). Is the resistance less than 5 ohms? Yes : GO to A7 . No : REPAIR circuit 50-BB12 (GY)/50-BB14 (GY/RD) for an open. TEST the system for normal operation.
7. A7 CHECK CIRCUIT 50-BB12 (GY)/50-BB2 (GY/BK) FOR AN OPEN Measure the resistance between starter motor C197-2, circuit 50-BB12 (GY)/50-BB2 (GY/BK) and TR sensor C167-9, circuit 50-BB12 (GY) Is the resistance less than 5 ohms? Yes : GO to A8 . No : REPAIR circuit 50-BB12 (GY)/50-BB2 (GY/BK) for an open. TEST the system for normal operation.
8. A8 CHECK THE OPERATION OF TRANSMISSION RANGE (TR) SENSOR Measure the resistance between TR sensor C167-6, and -9 component side in PARK and NEUTRAL. Is the resistance less than 5 ohms? Yes : INSTALL a new starter motor. TEST the system for normal operation. No : ADJUST the TR sensor. If the concern persists, INSTALL a new TR sensor.

1. Battery
2. Open fuse
3. Starter motor
4. Ignition switch
5. Clutch pedal position (CPP) switch (manual transaxle only)
6. Circuitry
7. Starter motor relay

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1. B1 CHECK THE CONDITION OF THE PATS SYSTEM Observe the PATS warning indicator. Does the indicator flash when attempting to start the vehicle? Yes : REFER to «ANTI-THEFT - PATS»(ref-255429) to diagnose the PATS DTCs. No : GO to B2 .
2. B2 CHECK THE BATTERY Check the battery with a Midtronics tester. Carry out the battery capacity test using a diagnostic tool. Is the battery OK? Yes : GO to B3 . No : INSTALL a new battery. REFER to «BATTERY MOUNTING AND CABLES»(ref-255404) . CHECK the battery with a Midtronics tester. TEST the system for normal operation.
3. B3 CHECK THE SWITCHED POWER TO THE STARTER RELAY Key in ON position. Measure the voltage between CJB starter relay socket C2163-30, circuit 30-BB9 (RD) and ground. Is the voltage greater than 10 volts? Yes : For automatic transaxle, GO to B4 . For manual transaxle, GO to B5 . No : GO to B7 .
4. B4 CHECK CIRCUIT 31S-BB16 (BK/RD) (AUTOMATIC TRANSAXLE ONLY) FOR AN OPEN Key in OFF position. Disconnect: PCM C175b. Measure the resistance between CJB starter relay C2163-86, circuit 31S-BB16 (BK/RD) and PCM C175b-2, circuit 31S-BB16 (BK/RD). Is the resistance less than 5 ohms? Yes : CARRY OUT the relay component test on the starter relay. If the relay tests as good, REFER to the «INTRODUCTION - GASOLINE»(ref-249149) for PCM testing and replacement procedures. TEST the system for normal operation. No : REPAIR circuit 31S-BB16 (BK/RD). TEST system for normal operation.
5. B5 CHECK CIRCUIT 31S-BB16 (BK/RD) (MANUAL TRANSAXLE ONLY) FOR AN OPEN Key in OFF position. Disconnect: PCM C175b. Depress the clutch pedal. Measure the resistance between CJB starter relay C2163-86, circuit 31S-BB16 (BK/RD) and PCM C175b-2, circuit 31S-BB16 (BK/RD). Is the resistance less than 5 ohms? Yes : CARRY OUT the relay component test on the starter relay. If the relay tests as good, INSTALL a new PCM. TEST the system for normal operation. No : GO to B6 .
6. B6 CHECK THE START INHIBIT SWITCH FOR CORRECT OPERATION (MANUAL TRANSAXLE ONLY) Disconnect: Starter Switch C2195. Measure the resistance between start inhibit switch C2195-1 and -2. Is the resistance less than 5 ohms with the clutch pedal depressed and greater than 10,000 ohms with the clutch pedal released? Yes : REPAIR circuit 31S-BB16 (BK/RD). TEST the system for normal operation. No : INSTALL a new start inhibit switch. TEST the system for normal operation.
7. B7 CHECK THE VOLTAGE TO IGNITION SWITCH CIRCUIT 30-BB9 (RD) Disconnect: Ignition Switch C250. Measure the voltage between ignition switch C250-4, circuit 30-BB9 (RD), harness side and ground. Is the voltage greater than 10 volts? Yes : GO to B8 . No : REPAIR circuit 30-BB9 (RD) for an open. TEST the system for normal operation. If the problem persists, REPAIR or INSTALL a new battery junction box.
8. B8 CHECK CIRCUIT 50-BB16 (GY/BK) FOR AN OPEN Measure the resistance between ignition switch C250-7 circuit 50-BB16 (GY/BK) and CJB starter relay C2163-85, circuit 50-BB16 (GY/BK). Is the resistance less than 5 ohms? Yes : INSTALL a new ignition switch. TEST the system for normal operation. No : REPAIR circuit 50-BB16 (GY/BK) for an open. TEST the system for normal operation.

1. Battery
2. Starter motor
3. Circuitry

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1. C1 CHECK THE BATTERY Check for loose connections at the battery positive and negative terminals. Check the battery with a Midtronics tester. Carry out the battery capacity test using a diagnostic tool. Is the battery OK? Yes : GO to C2 . No : INSTALL a new battery. REFER to «BATTERY MOUNTING AND CABLES»(ref-255404) . CHECK the battery with a Midtronics tester. TEST the system for normal operation.
2. C2 CHECK THE STARTER MOTOR LOAD Carry out the starter motor load test on the starter motor. Refer to «STARTER MOTOR - LOAD TEST»(ref-255384-S33049113262007053100000) . Is the starter motor OK? Yes : GO to C3 . No : INSTALL a new starter motor. REFER to «STARTER MOTOR»(ref-255384-S19857137832007053100000) in this article.
3. C3 CHECK FOR A VOLTAGE DROP Measure the voltage between starter motor C197-2, component side and the positive battery terminal with the ignition switch in position III. Is the voltage less than 0.5 volt? Yes : GO to C4 . No : CLEAN and TIGHTEN all positive battery cable connections. TEST the system for normal operation. If the concern persists, INSTALL a new positive battery cable.
4. C4 CHECK FOR A GROUND CONNECTION Measure the voltage between the starter motor case and battery negative terminal with the ignition switch in position III. Is the voltage less than 0.5 volt? Yes : DIAGNOSE the battery and charging system. REFER to «CHARGING SYSTEM - GENERAL INFORMATION»(ref-255418) . No : CLEAN and TIGHTEN all negative battery cable connections, starter motor mounting and body to engine ground strap. TEST the system for normal operation. If the concern persists, INSTALL a new negative battery cable.