Pinpoint Test G426404P2

PINPOINT TEST G426404p2 : DTC 2834: AIR MIX SERVO LH AND RH CIRCUIT TESTS

G426404t4 : CHECK THE LH AIR MIX SERVO POSITION FEEDBACK CIRCUIT FOR OPEN CIRCUIT
1. Disconnect the battery negative terminal.
2. Disconnect the rear climate control module connector RA01.
3. Disconnect the LH air mix servo connector RA07.
4. Measure the resistance between the rear climate control module connector RA01, pin 02 (YB) and LH air mix servo connector RA07, pin 02 (YB).

- Is the resistance greater than 5 ohms?

-> YES
REPAIR the high resistance circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
GO to Pinpoint Test G426404t5.

G426404t5 : CHECK THE LH AIR MIX SERVO POSITION FEEDBACK CIRCUIT FOR SHORT TO GROUND
1. Measure the resistance between the rear climate control module connector RA01, pin 02 (YB) and GROUND.

- Is the resistance less than 10,000 ohms?

-> YES
REPAIR the short circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
GO to Pinpoint Test G426404t7.

G426404t38 : CHECK THE LH AIR MIX SERVO MOTOR FEED CIRCUIT FOR OPEN CIRCUIT
1. Measure the resistance between the rear climate control module connector RA02, pin 06 (YG) and LH air mix servo connector RA07, pin 05 (YG).

- Is the resistance greater than 5 ohms?

-> YES
REPAIR the high resistance circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
GO to Pinpoint Test G426404t39.

G426404t39 : CHECK THE LH AIR MIX SERVO MOTOR FEED CIRCUIT FOR SHORT TO GROUND
1. Measure the resistance between the rear climate control module connector RA02, pin 06 (YG) and GROUND.

- Is the resistance less than 10,000 ohms?

-> YES
REPAIR the short circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
GO to Pinpoint Test G426404t40.

G426404t40 : CHECK THE LH AIR MIX SERVO MOTOR RETURN CIRCUIT FOR OPEN CIRCUIT
1. Measure the resistance between the rear climate control module connector RA02, pin 12 (GB) and LH air mix servo connector RA07, pin 04 (GB).

- Is the resistance greater than 5 ohms?

-> YES
REPAIR the high resistance circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
GO to Pinpoint Test G426404t41.

G426404t41 : CHECK THE LH AIR MIX SERVO MOTOR RETURN CIRCUIT FOR SHORT TO GROUND
1. Measure the resistance between the rear climate control module connector RA02, pin 12 (GB) and GROUND.

- Is the resistance less than 10,000 ohms?

-> YES
REPAIR the short circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
GO to Pinpoint Test G426404t7.

G426404t7 : CHECK THE RH AIR MIX SERVO POSITION FEEDBACK CIRCUIT FOR OPEN CIRCUIT
1. Disconnect the RH air mix servo connector RA08.
2. Measure the resistance between the rear climate control module connector RA01, pin 03 (Y) and RH air mix servo connector RA08, pin 02 (Y).

- Is the resistance greater than 5 ohms?

-> YES
REPAIR the high resistance circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
GO to Pinpoint Test G426404t8.

G426404t42 : CHECK THE RH AIR MIX SERVO MOTOR FEED CIRCUIT FOR OPEN CIRCUIT
1. Measure the resistance between the rear climate control module connector RA02, pin 11 (YU) and RH air mix servo connector RA08, pin 04 (YU).

- Is the resistance greater than 5 ohms?

-> YES
REPAIR the high resistance circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
GO to Pinpoint Test G426404t43.

G426404t43 : CHECK THE RH AIR MIX SERVO MOTOR FEED CIRCUIT FOR SHORT TO GROUND
1. Measure the resistance between the rear climate control module connector RA02, pin 11 (YU) and GROUND.

- Is the resistance less than 10,000 ohms?

-> YES
REPAIR the short circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
GO to Pinpoint Test G426404t44.

G426404t44 : CHECK THE RH AIR MIX SERVO MOTOR RETURN CIRCUIT FOR OPEN CIRCUIT
1. Measure the resistance between the rear climate control module connector RA02, pin 10 (GU) and RH air mix servo connector RA08, pin 05 (GU).

- Is the resistance greater than 5 ohms?

-> YES
REPAIR the high resistance circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
GO to Pinpoint Test G426404t45.

G426404t45 : CHECK THE RH AIR MIX SERVO MOTOR RETURN CIRCUIT FOR SHORT TO GROUND
1. Measure the resistance between the rear climate control module connector RA02, pin 10 (GU) and GROUND.

- Is the resistance less than 10,000 ohms?

-> YES
REPAIR the short circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
GO to Pinpoint Test G426404t8.

G426404t8 : CHECK THE RH AIR MIX SERVO POSITION FEEDBACK CIRCUIT FOR SHORT TO GROUND
1. Measure the resistance between the rear climate control module connector RA01, pin 03 (Y) and GROUND.

- Is the resistance less than 10,000 ohms?

-> YES
REPAIR the short circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
GO to Pinpoint Test G426404t6.

G426404t6 : CHECK THE RH AIR MIX SERVO POSITION FEEDBACK CIRCUIT FOR SHORT TO B+
1. Reconnect the battery negative terminal.
2. Turn the ignition switch to the ON position.
3. Measure the voltage between the rear climate control module connector RA01, pin 03 (Y) and GROUND.

- Is the voltage greater than 3 volts?

-> YES
REPAIR the short circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
GO to Pinpoint Test G426404t9.

G426404t9 : CHECK THE LH AIR MIX SERVO POSITION FEEDBACK CIRCUIT FOR SHORT TO B+
1. Measure the voltage between the rear climate control module connector RA01, pin 02 (YB) and GROUND.

- Is the voltage greater than 3 volts?

-> YES
REPAIR the short circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
INSTALL a new air mix servo. CLEAR the DTC. TEST the system for normal operation. If the DTC is repeated, INSTALL a new rear climate control module.