Checking the 15-supply
- Ignition switch position II.
Check that there is contact between start switch terminals #30 and #15.
- Ignition switch position III.
Check that there is contact between start switch terminals #30 and #15.
Check that there is 15-supply from the start switch during the vehicle start attempt. Check the power supply from start switch terminal #15.
If a fault is found during the above fault tracing, replace the start switch.
If no fault is found, check the signal cable between start switch connector #15A and:
- engine control module (ECM) #B37
- central electronic module (CEM) #3B
- relay 2/31, central electronic module (CEM) #2
- Immobilizer antenna unit #1
- supplemental restraint system module (SRS) #28B for open-circuit or short-circuit to ground.
Remedy as necessary.
Other information:
- For connection of breakout box to engine control module (ECM): Connecting the breakout box .
- For connection of breakout box to central electronic module (CEM): Connecting the breakout box .
- For connection of breakout box to supplemental restraint system module (SRS): Connecting the breakout box .
- To replace the start switch, see Starter switch, replacing .
- See Checking wiring and terminals .
- Continue
Refer to Verification