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Part 2








2ZR-FE ENGINE CONTROL: SFI SYSTEM: Cranking Holding Function Circuit

Cranking Holding Function Circuit (Continued)

13. CHECK HARNESS AND CONNECTOR (ST RELAY - CLUTCH PEDAL SWITCH)




(a) Disconnect the clutch pedal switch connector.
(b) Remove the ST relay from the No. 5 relay block (TMC made).




(c) Remove the ST relay from the No. 8 relay block (except TMC made).
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance (Check for Open):






Standard Resistance (Check for Short):





(e) Reconnect the clutch pedal switch connector.
(f) Reinstall the ST relay.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (ST RELAY - CLUTCH PEDAL SWITCH)
OK -- REPLACE ECM
14. INSPECT FUSE (AM2 NO. 2 FUSE)




(a) Remove the AM2 No. 2 fuse from the engine room relay block.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:





(c) Reinstall the AM2 No. 2 fuse.
NG -- CHECK FOR SHORTS IN ALL HARNESSES AND CONNECTORS CONNECTED TO FUSE AND REPLACE FUSE
OK -- Continue to next step.
15. INSPECT IGNITION SWITCH ASSEMBLY
(a) Inspect the ignition switch assembly Ignition Switch.
NG -- REPLACE IGNITION SWITCH ASSEMBLY
OK -- Continue to next step.
16. CHECK HARNESS AND CONNECTOR (AM2 TERMINAL VOLTAGE)




(a) Disconnect the ignition switch assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:





(c) Reconnect the ignition switch assembly connector.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - IGNITION SWITCH ASSEMBLY)
OK -- REPAIR OR REPLACE HARNESS OR CONNECTOR (IGNITION SWITCH ASSEMBLY - ECM)
17. INSPECT ST RELAY (VOLTAGE)
(a) Remove the ST relay from the No. 5 relay block (TMC made).




(b) Remove the ST relay from the No. 8 relay block (except TMC made).
(c) Move the shift lever to the P or N position (for automatic transaxle models).
(d) Fully depress the clutch pedal (for manual transaxle models).
(e) Crank the engine.
(f) Measure the voltage according to the value(s) in the table below.
Standard Voltage:





(g) Reinstall the ST relay.
Result:






C -- REPAIR OR REPLACE HARNESS OR CONNECTOR (ST RELAY - CLUTCH PEDAL SWITCH)
B -- REPAIR OR REPLACE HARNESS OR CONNECTOR (ST RELAY - PARK/NEUTRAL POSITION SWITCH)
A -- Continue to next step.
18. INSPECT RELAY (ST RELAY)
(a) Remove the ST relay from the No. 5 relay block (TMC made).




(b) Remove the ST relay from the No. 8 relay block (except TMC made).
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:





(d) Reinstall the ST relay.
NG -- REPLACE RELAY (ST RELAY)
OK -- Continue to next step.
19. INSPECT ST RELAY (VOLTAGE)
(a) Remove the ST relay from the No. 5 relay block (TMC made).




(b) Remove the ST relay from the No. 8 relay block (except TMC made).
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:





(d) Reinstall the ST relay.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - ST RELAY)
OK -- Continue to next step.
20. CHECK HARNESS AND CONNECTOR (ST RELAY - BODY GROUND)
(a) Remove the ST relay from the No. 5 relay block (TMC made).




(b) Remove the ST relay from the No. 8 relay block (except TMC made).
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance (Check for Open):





(d) Reinstall the ST relay.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (ST RELAY - BODY GROUND)
OK -- Continue to next step.
21. INSPECT STARTER ASSEMBLY
(a) Inspect the starter assembly Testing and Inspection.
NG -- REPLACE STARTER ASSEMBLY
OK -- REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - STARTER - ST RELAY)
22. INSPECT ECM (STSW TERMINAL VOLTAGE)




(a) Disconnect the ECM connector.
(b) Move the shift lever to the P or N position.
(c) Crank the engine.
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:





(e) Reconnect the ECM connector.
HINT: DTCs related to the communication with other computers may be set due to this inspection. Clear those DTCs after inspection.

NG -- CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - ECM)
OK -- Continue to next step.
23. INSPECT PARK/NEUTRAL POSITION SWITCH (VOLTAGE)




(a) Disconnect the park/neutral position switch connector.
(b) Move the shift lever to the P or N position.
(c) Crank the engine.
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:





(e) Reconnect the park/neutral position switch connector.
NG -- INSPECT RELAY (ST CUT RELAY)
OK -- Continue to next step.
24. INSPECT PARK/NEUTRAL POSITION SWITCH
(a) Inspect the park/neutral position switch Inspection.
NG -- REPLACE PARK/NEUTRAL POSITION SWITCH
OK -- REPAIR OR REPLACE HARNESS OR CONNECTOR (PARK/NEUTRAL POSITION SWITCH - ECM)
25. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - ECM)




(a) Disconnect the ECM connector.
(b) Disconnect the main body ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance (Check for Open):






Standard Resistance (Check for Short):





(d) Reconnect the ECM connector.
(e) Reconnect the main body ECU connector.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (MAIN BODY ECU - ECM)
OK -- GO TO SMART KEY SYSTEM
26. INSPECT RELAY (ST CUT RELAY)
(a) Remove the ST CUT relay from the No. 6 relay block (TMC made).




(b) Remove the ST CUT relay from the No. 8 relay block (except TMC made).
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:





(d) Reinstall the ST CUT relay.
NG -- REPLACE RELAY (ST CUT RELAY)
OK -- Continue to next step.
27. CHECK HARNESS AND CONNECTOR (ST CUT RELAY - BODY GROUND)
(a) Remove the ST CUT relay from the No. 6 relay block (TMC made).




(b) Remove the ST CUT relay from the No. 8 relay block (except TMC made).
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance (Check for Open):





(d) Reinstall the ST CUT relay.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (ST CUT RELAY - BODY GROUND)
OK -- Continue to next step.
28. INSPECT FUSE (IGN FUSE)




(a) Remove the IGN fuse from the instrument junction block.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:





(c) Reinstall the IGN fuse.
NG -- CHECK FOR SHORTS IN ALL HARNESSES AND CONNECTORS CONNECTED TO FUSE AND REPLACE FUSE
OK -- Continue to next step.
29. CHECK HARNESS AND CONNECTOR (ST CUT RELAY - INTEGRATION RELAY (IG2 RELAY))
(a) Remove the ST CUT relay from the No. 6 relay block (TMC made).




(b) Remove the ST CUT relay from the No. 8 relay block (except TMC made).




(c) Remove the integration relay from the engine room relay block.
(d) Disconnect the integration relay connector.
(e) Measure the resistance according to the value(s) in the table below.
Standard Resistance (Check for Open):






Standard Resistance (Check for Short):





(f) Reinstall the ST CUT relay.
(g) Reconnect the integration relay connector.
(h) Reinstall the integration relay.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (ST CUT RELAY - INTEGRATION RELAY (IG2 RELAY))
OK -- Continue to next step.
30. CHECK HARNESS AND CONNECTOR (ST CUT RELAY - ECM)
(a) Remove the ST CUT relay from the No. 6 relay block (TMC made).




(b) Remove the ST CUT relay from the No. 8 relay block (except TMC made).




(c) Disconnect the ECM connector.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance (Check for Open):






Standard Resistance (Check for Short):





(e) Reinstall the ST CUT relay.
(f) Reconnect the ECM connector.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (ST CUT RELAY - ECM)
OK -- Continue to next step.
31. CHECK HARNESS AND CONNECTOR (ST CUT RELAY - MAIN BODY ECU)
(a) Remove the ST CUT relay from the No. 6 relay block (TMC made).




(b) Remove the ST CUT relay from the No. 8 relay block (except TMC made).
(c) Disconnect the main body ECU connector.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance (Check for Open):






Standard Resistance (Check for Short):





(e) Reinstall the ST CUT relay.
(f) Reconnect the main body ECU connector.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (ST CUT RELAY - MAIN BODY ECU)
OK -- Continue to next step.
32. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - PARK/NEUTRAL POSITION SWITCH)




(a) Disconnect the park/neutral position switch connector.
(b) Disconnect the main body ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance (Check for Open):






Standard Resistance (Check for Short):





(d) Reconnect the park/neutral position switch connector.
(e) Reconnect the main body ECU connector.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (MAIN BODY ECU - PARK/NEUTRAL POSITION SWITCH)
OK -- REPLACE ECM
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