Steering column switch pinpoint tests

A1: CHECK FUSE 8 (30 A)

1 Disconnect Fuse 8 (30A).

2 CHECK.

3 Check fuse 8 (30 A).

• Is the fuse good?

→ Yes

Go to A2

→ No

Install new fuse 8 (30 A). Check the correct operation of the system. If the fuse blows again, check circuit 30 (red) for a short circuit "mass".

A2: CHECKING THE IGNITION SWITCH CONNECTOR

1 Remove the steering column cover and check the ignition switch connector.

• Ignition switch connector OK (cleanliness and security)?

→ Yes

Go to A3

→ No

If necessary, clean and secure the ignition switch connector. Check the correct operation of the system.

A3: CHECK CIRCUIT 30 (RED) FOR BREAKS.

NOTE: Make sure the ground contact is clean before starting the test.

1 Connect Fuse 8 (30 A).

2 Disconnect the Ignition Switch - C456.

3 Measure the voltage between C456 pin 4 of the ignition switch, circuit 30 (red), And "mass.

• Is the voltage over 10 V?

→ Yes

Go to A4

→ No

Repair electrical circuit 30 (red). Check the correct operation of the system.

A4: CHECK IGNITION SWITCH

1 Perform ignition switch test. See Section 700-09 for more information "Wiring diagrams", where information about circuits and electrical elements is given.

• Is the ignition switch OK?

→ Yes

Check the validity of the customer's complaint.

→ No

Install a new ignition switch. For more information, see paragraph "ignition switch" in this section. Check the correct operation of the system.

B1: CHECK FUSE 50 (7.5 A)

1 Disconnect Fuse 50 (7.5 A).

2 CHECK.

3 Check fuse 50 (7.5 A).

• Is the fuse good?

→ Yes

Navigate to B2

→ No

Install a new fuse. Check the correct operation of the system. If the fuse blows again, check for a short to "mass" pin 14 of the central timer module or circuits 75 (yellow/green) and 75 (yellow/blue).

B2: CHECK FOR VOLTAGE AT FUSE 50 (7.5 A)

NOTE: Make sure the ground contact is clean before starting the test.

1 Enter the ACCESSORY position.

2 Measure the voltage between pin 1 of fuse 50 (7.5 A), chains 75 (yellow), And "weight".

• Is the voltage over 10 V?

→ Yes

Go to B3

→ No

Repair electrical circuit 75 (yellow). Check the correct operation of the system.

B3: INSPECT CENTRAL JOINT BOX CIRCUIT (CJB) FOR BREAKS.

1 Disconnect C13 CJB.

2 Measure the resistance between C13 CJB pin 9 and fuse 50 pin 2 (7.5 A).

• Is the resistance less than 5 ohms?

→ Yes

Go to B4

→ No

Install a new CJB. Check the correct operation of the system.

B4: INSPECT ELECTRICAL CIRCUIT 75 (YELLOW) FOR GAPS

1 Disconnect the Ignition Switch - C456.

2 Measure the resistance between pin 1 of fuse 50 (7.5 A), electrical circuit 75 (yellow), and pin 6 C456 of the ignition switch, electrical circuit 75 (yellow).

• Is the resistance less than 5 ohms?

→ Yes

Go to B5

→ No

Repair electrical circuit 75 (yellow). Check the correct operation of the system.

B5: IGNITION SWITCH TEST

1 Perform ignition switch test. See section 700-09 for more information "Wiring diagrams", where information about connections and electrical elements is given.

• Check the legitimacy of the customer's complaint.

→ Yes

Install a new ignition switch.

→ No

For more information, see paragraph "ignition switch" in this section. Check the correct operation of the system.

C1: CHECK ELECTRICAL CIRCUIT 15 (GREEN/BLUE) and 15 (GREEN/YELLOW) FOR GAPS

NOTE: Make sure the ground contact is clean before starting the test.

1 Disconnect Ignition Relay - C1001.

2 Drive the ON position.

3 Measure the voltage between pin 1 of the C1001 ignition relay, circuits 15 (green/blue) and 15 (green/yellow), And "weight".

• Is the voltage over 10 V?

→ Yes

Go to C2

→ No

Go to C6

C2: CHECK CIRCUIT 30 (RED) FOR GAPS

NOTE: Make sure the ground contact is clean before starting the test.

1 Enter the OFF position.

2 Measure voltage between C1001 ignition relay pin 3, circuit 30 (red), And "weight".

• Is the voltage over 10 V?

→ Yes

Go to C3

→ No

Repair electrical circuit 30 (red). Check the correct operation of the system.

C3: INSPECT ELECTRICAL CIRCUIT 91 (BLACK/BLUE) FOR GAPS

1 Measure the resistance between pin 2 C1001 ignition relay circuit 91 (black/blue), And "weight".

• Is the resistance less than 5 ohms?

→ Yes

Go to C4

→ No

Repair electrical circuit 91 (black/blue). Check the correct operation of the system.

C4: CHECK FUSE F1 (40 A).

1 Disconnect Fuse 1 (40A).

2 CHECK.

3 Check fuse 1 (40 A).

• Is the fuse good?

→ Yes

Go to C5

→ No

Install a new fuse. Check the correct operation of the system. If the fuse blows again, check circuit 15 (green/red) for breaks.

C5: CHECK CIRCUIT 15 (GREEN/RED) FOR GAPS

NOTE: Make sure the ground contact is clean before starting the test.

1 Connect Fuse 1 (40 A).

2 Connect the Ignition Relay.

3 Disconnect Fuse 53 (10 A).

4 Drive the ON position.

5 Measure the voltage between pin 1 of fuse 53 (10 A), electrical circuit 15 (green/red), And "weight".

• Is the voltage over 10 V?

→ Yes

Go to C7

→ No

Go to C8

C6: CHECK IGNITION SWITCH

1 Perform ignition switch test. See section 700-09 for more information "Wiring diagrams", where information about connections and electrical elements is given.

• Is the ignition switch OK?

→ Yes

Repair electrical circuit 15 (blue/light blue) or 15 (green/yellow).

→ No

Install a new ignition switch. For more information, see paragraph "ignition switch" in this section. Check the correct operation of the system.

C7: IGNITION RELAY TEST

1 Check the ignition relay. See section 700 - 09 for more information "Wiring diagrams", where information about connections and electrical elements is given.

• Relay OK?

→ Yes

Go to C8

→ No

Install a new relay. Check the correct operation of the system.

C8: INSPECT CENTER CONNECTION BOX FOR OPEN CIRCUIT.

1 Disconnect C18 CJB.

2 Measure the resistance between C18 CJB pin 1, circuit 15 (green/red), and pin 1 of fuse 53 (10A), electrical circuit 15 (green/red).

• Is the resistance less than 5 ohms?

→ Yes

Repair electrical circuit 15 (green/red). Check the correct operation of the system.

→ No

Install a new CJB. Check the correct operation of the system.

D1: IN STARTER INTERLOCK RELAY WHEN IGNITION SWITCH IS TURNED TO "START" IS THERE AUDIBLE CLICK?

1 Drive the START position.

2 Turn the ignition switch to "START".

• Does the starter lock relay click?

→ Yes

Go to D2

→ No

Go to D5

D2: CHECK FOR VOLTAGE AT STARTER CONNECTOR C2

NOTE: Make sure the ground contact is clean before starting the test.

1 Disconnect Starter - C2.

2 Drive the START position.

3 Measure voltage between starter connector C2, circuit 50 (gray), And "weight".

• Is the voltage over 10 V?

→ Yes

See Section 303-06 for more information.

→ No

Go to D3

D3: CHECK CIRCUIT 50 (GRAY) FOR GAPS

1 Enter the OFF position.

2 Disconnect the Starter Interlock Relay..

3 Measure the resistance between C1017 pin 5 of the starter inhibit relay, circuit 50 (gray), and starter connector C2, electrical circuit 50 (gray).

• Is the resistance less than 5 ohms?

→ Yes

Go to D4

→ No

Repair electrical circuit 50 (gray). Check the correct operation of the system.

D4: CHECK CIRCUIT 50 (GRAY/ORANGE) FOR GAPS

NOTE: Make sure the ground contact is clean before starting the test.

1 Drive the START position.

2 Measure the voltage between C1017 pin 3 of the starter inhibit relay, circuit 50 (grey/orange), And "weight".

• Is the voltage over 10 V?

→ Yes

Check starter relay. See section 700-09 for more information "Wiring diagrams", where information about connections and electrical elements is given.

→ No

Repair electrical circuit 50 (gray/orange). Check the correct operation of the system.

D5: CHECK CIRCUIT 15 (GREEN/YELLOW) FOR GAPS

NOTE: Make sure the ground contact is clean before starting the test.

1 Disconnect the Starter Interlock Relay..

2 Drive the START position.

3 Measure the voltage between C1017 pin 1 of the starter inhibit relay, circuit 15 (green/yellow), And "weight".

• Is the voltage over 10 V?

→ Yes

Go to D6

→ No

Go to D7

D6: INSPECT CIRCUIT 31S (BLACK/RED) FOR GAPS

1 Enter the OFF position.

2 Detach CJB C13.

3 Measure the voltage between C1017 pin 2 of the starter inhibit relay, circuit 31S (black/red), and pin 3 C13 of the central box of connections, electrical circuit 31S (black/red).

• Is the resistance less than 5 ohms?

→ Yes

Check starter relay. See section 700-09 for more information "Wiring diagrams", where information about connections and electrical elements is given. If the relay is OK, go to step "Electronic engine controls". See Section 303-14 for more information.

→ No

Install a new CJB. Check the correct operation of the system.

D7: IGNITION SWITCH CHECK

1 Perform ignition switch test. See section 700-09 for more information "Wiring diagrams", where information about connections and electrical elements is given.

• Is the ignition switch OK?

→ Yes

Repair electrical circuit 15 (green/yellow). Check the correct operation of the system.

→ No

Install a new ignition switch. For more information, see paragraph "ignition switch" in this section. Check the correct operation of the system.