Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
|
Important: A short to ground will cause an open fuse(s). Before performing this diagnostic procedure, inspect the fuse(s) for an open. | ||||
1 | Did you perform the theft deterrent diagnostic system check? | -- | Go to Step 2 | |
2 |
Does the CRANKLOW read ACTIVE? | -- | Go to Step 3 | Go to Step 4 |
3 |
Does the voltage equal the specified value? | B+ | Go to Step 5 | Go to Step 8 |
4 | Backprobe the ignition switch connector C2 between terminal E (Chevrolet) or terminal D (Pontiac) and ground. Does the CRANKLOW read ACTIVE? | -- | Go to Step 6 | Go to Step 7 |
5 |
Does the voltage equal the specified value? | 5 V | Go to Step 9 | Go to Step 8 |
6 |
Does the test light illuminate? | -- | Go to Step 10 | Go to Step 11 |
7 | Inspect for an open in CKT 1350. Is CKT 1350 OK? | -- | Go to Step 8 | Go to Step 11 |
8 | Check circuits 1459,1836 and 1835 for a short to ground or an open if OK replace instument panel cluster Refer to Instrument Cluster Replacement in Instrument Panel, Gauges, and Console. Did you complete the repair? | -- | -- | |
9 | Replace the PASSLOCK® lock cylinder. Refer to Ignition Lock Cylinder Replacement - On Vehicle in Steering Wheel and Column. Did you complete the repair? | -- | -- | |
10 | Replace the ignition switch. Refer to Ignition Switch Assembly - Disassemble - Off Vehicle in Steering Wheel and Column - Tilt. Did you complete the repair? | -- | -- | |
11 | Repair an open in the applicable CKT. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | -- | |
