Contents Wiring diagrams Section: Starter All sections

Starting System: Diagnosis Suzuki Forenza I

Troubleshooting

StepActionValue(s)YesNo
1Turn the headlamps ON. Turn the dome lamps ON. Turn the ignition to START. Did the lights dim or go out?Go to Step 2Go to Step 8
2Check the battery state of charge. Is the green eye showing from the built-in hydrometer?Go to Step 3
3Connect the voltmeter positive lead to the positive battery terminal. Connect the voltmeter negative lead to the negative battery terminal. Turn the ignition to START. Does the voltmeter indicate the value specified?< 9.6 VGo to Step 4
4Connect the voltmeter negative lead to the negative battery terminal. Connect the positive voltmeter lead to the engine block. Does the voltmeter indicate the value specified?>0.5 VGo to Step 5Go to Step 6
5Clean, tighten, or replace the negative battery cable. Is the repair complete?System OK
6Connect the voltmeter positive lead to the starter "B (+)" terminal. Connect the voltmeter negative lead to the negative battery terminal. Does the voltmeter indicate the value specified?< 9 VGo to Step 7Go to Step 13
7Clean, tighten, or replace the positive battery cable. Is the repair complete?System OK
8Inspect the engine fuse block fuse Ef5. Is the fuse OK?Go to Step 10Go to Step 9
9Inspect the engine fuse block fuse Ef4. Is the fuse OK?System OK
10Check the connection at the starter "ST" terminal. Is the connection OK?Go to Step 12Go to Step 11
11Clean or tighten the connection as needed. Is the repair complete?System OK
12Connect the voltmeter positive lead to the starter "ST" terminal. Connect the voltmeter negative lead to the negative battery terminal. Turn the ignition to START. Does the voltmeter indicate the value specified?< 7 VGo to Step 13Go to Step 14
13Repair or replace the starter as needed. Is the repair complete?System OK
14Determine the type of transaxle on the vehicle. Is the vehicle equipped with an automatic transaxle?Go to Step 15Go to Step 20
15Disconnect the neutral safety back-up (PNP) switch. Connect the negative voltmeter lead to the PNP switch connector terminal 9. Connect the positive voltmeter lead to battery positive. Does the voltmeter indicate the value specified?11 - 14 VGo to Step 16Go to Step 19
16Jumper the PNP switch connector terminals 9 and 10. Connect the negative voltmeter lead to the ignition switch. Connect the positive voltmeter lead to battery positive. Does the voltmeter indicate the value specified?11 - 14 VGo to Step 17Go to Step 18
17Replace the neutral safety backup switch. Is the repair complete?System OK
18Repair the wire as needed. Is the repair complete?System OK
19Repair the open wire between the PNP switch connector terminal E and ground. Is the repair complete?System OK
20Connect the voltmeter positive lead to the ignition switch connector terminal 3 by backprobing the connector. Connect the voltmeter negative lead to ground. Does the voltmeter indicate the value specified?11 - 14 VGo to Step 22Go to Step 21
21Repair the open in the wiring between the engine block fuse Ef5 and the ignition switch connector terminal 2. Is the repair complete?System OK
22Connect the voltmeter positive lead to the ignition switch connector terminal 3 by backprobing the connector. Connect the voltmeter negative lead to ground. Turn the ignition to START. Does the voltmeter indicate the value specified?11 - 14 VGo to Step 23Go to Step 27
23Connect the voltmeter positive lead to the ignition switch connector terminal 3 by backprobing the connector. Connect the voltmeter negative lead to ground. Does the voltmeter indicate the value specified?11 - 14 VGo to Step 25Go to Step 24
24Repair the open in the wiring between the engine block fuse Ef5 and the ignition switch connector terminal 3. Is the repair complete?System OK
25Connect the voltmeter positive lead to the ignition switch connector terminal 3 by backprobing the connector. Connect the voltmeter negative lead to ground. Turn the ignition to START. Does the voltmeter indicate the value specified?11 - 14 VGo to Step 26Go to Step 27
26Repair the open in the wiring between the ignition switch connector terminal 3 and the starter "ST" terminal. Is the repair complete?System OK
27Replace the ignition switch. Is the repair complete?System OK

TROUBLESHOOTING SPECIFICATIONS