GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Sunfire 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 DTC B1013 Passlock Bad Timing This Ignition Cycle

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?

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Go to Step 2

Go to Diagnostic System Check - Theft Deterrent

2
  1. Connect a scan tool to the data link connector.
  2. Record any DTCs present.
  3. Clear the DTCs.
  4. Set the scan tool to the IPC DATA LIST - CRANKLOW function.
  5. Verify that the transaxle is in PARK.
  6. Engage the parking brake.
  7. Turn the ignition switch to the START position.

Does the CRANKLOW read ACTIVE?

--

Go to Step 3

Go to Step 4

3
  1. Turn the ignition switch to the RUN position.
  2. Disconnect the PASSLOCK® lock cylinder connector.
  3. Measure the voltage between the connector terminal A and terminal B.

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
  1. Turn the ignition switch to the RUN position.
  2. Disconnect the PASSLOCK® lock cylinder connector.
  3. Measure the voltage between the connector terminal C and terminal B.

Does the voltage equal the specified value?

5 V

Go to Step 9

Go to Step 8

6
  1. Disconnect the ignition switch connector C1.
  2. Connect a test light between the connector terminal F (E Pontiac) and B+.

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?

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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?

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Go to Diagnostic System Check - Theft Deterrent

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9

Replace the PASSLOCK® lock cylinder. Refer to Ignition Lock Cylinder Replacement - On Vehicle in Steering Wheel and Column.

Did you complete the repair?

--

Go to Diagnostic System Check - Theft Deterrent

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10

Replace the ignition switch. Refer to Ignition Switch Assembly - Disassemble - Off Vehicle in Steering Wheel and Column - Tilt.

Did you complete the repair?

--

Go to Diagnostic System Check - Theft Deterrent

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11

Repair an open in the applicable CKT. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Diagnostic System Check - Theft Deterrent

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