Seat Temperature Element: Testing and Inspection
Seat Heater Test
Removal
SRS components are located in this area. Review the SRS component locations Pinout Values and Diagnostic Parameters and the precautions and procedures Locations before doing repairs or service.
NOTE: Before the front power seat is removed, slide the front power seat to the half-way position, then raise the seat to the highest position.
1. Front Seat Belt Lower Anchor Bolt
1. Slide the front seat forward fully, carefully pry up on the bottom edge of the anchor cover (A) at the pry point (B) with the appropriate trim tool to release the hooks (C) and the tab (D), then remove the cover by pulling it up.
2. Remove the lower anchor bolt (A).
2. Battery Terminal (SRS) - Disconnection
1. Make sure the ignition switch is in LOCK (0).
2. Disconnect and isolate the negative cable (A) from the battery.
NOTE: Always disconnect the negative side first.
3. Disconnect the positive cable (B) from the battery.
4. Wait at least 3 minutes before starting work.
3. Head Restraint - Driver's Side
1. Push and hold the knob (A), then pull out the head restraint (B) as shown.
4. Front Seat - Driver's Side
1. Detach the hooks (A), then remove the rear inner seat track end cover (B) and the rear outer seat track end cover (C).
2. Remove the front mounting bolts (A) from the front seat.
3. Remove the rear mounting bolts (A) from the front seat.
4. Disconnect the connectors (A).
5. Detach the harness clip (B).
Test
1. Seat Heater Driver's Side - Test
Without power seat
With power seat
1. Disconnect connectors A, B, and C.
Seat-Back Heater
2. Check for continuity between seat heater connector A terminals No. 1 and No. 2. There should be continuity.
3. If the continuity is not as specified, replace the seat-back heater.
Seat Cushion Heater
4. Check for continuity between connector B terminal No. 4 [No. 3], and connector C terminal No. 1 [No. 1]. There should be continuity.
[ ]: With power seat
5. If the continuity is not as specified, replace the seat cushion heater.
6. Check for continuity between connector B terminal No. 2, and connector C terminal No. 2. There should be continuity.
7. If the continuity is not as specified, replace the seat cushion heater.
8. Check for continuity between connector B terminal No. 3 [No. 1], and connector C terminal No. 2 [No. 2]. There should be continuity.
[ ]: With power seat
9. If the continuity is not as specified, replace the seat cushion heater.
2. Seat Heater Passenger's Side - Test
1. Disconnect the connectors A, B, and C.
Seat-Back Heater
2. Check for continuity between seat heater connector A terminals No. 1 and No. 2. There should be continuity.
3. If the continuity is not as specified, replace the seat-back heater.
Seat Cushion Heater
4. Check for continuity between connector B terminal No. 4, and connector C terminal No. 2. There should be continuity.
5. If the continuity is not as specified, replace the seat cushion heater.
6. Check for continuity between connector B terminal No. 2, and connector C terminal No. 3. There should be continuity.
7. If the continuity is not as specified, replace the seat cushion heater.
8. Check for continuity between connector B terminal No. 3, and connector C terminal No. 3. There should be continuity.
9. If the continuity is not as specified, replace the seat cushion heater.
Installation
SRS components are located in this area. Review the SRS component locations Pinout Values and Diagnostic Parameters and the precautions and procedures Locations before doing repairs or service.
1. Front Seat - Driver's Side
1. Connect the connectors (A).
2. Install the harness clip (B).
Front Side
Rear Side
3. Install the seat mounting bolts (A).
NOTE:
* Tighten the bolts by hand first, then tighten them to the specified torque.
* Tighten the seat mounting bolts to the specified torque in the sequence shown. Slide the seat all the way back and tighten bolts 1 and 2, then slide it forward and tighten bolts 3 and 4.
4. Install rear inner seat track end cover (A) and rear outer seat track end cover (B). Make sure the hooks (C) snap into place securely.
2. Head Restraint - Driver's Side
1. Insert the head restraint (A) to the seat-back as shown.
3. Battery Terminal (SRS) - Reconnection
NOTE: If the battery performance is abnormal, test the battery.
1. Clean the battery terminals.
2. Connect the positive cable (A) to the battery.
NOTE: Always connect the positive side first.
3. Connect the negative cable (B) to the battery.
4. Apply multipurpose grease to the terminals to prevent corrosion.
4. Front Seat Belt Lower Anchor Bolt
1. Install the lower anchor bolt.
NOTE: Before installing the anchor bolt, make sure there are no twists or kinks in the seat belt.
2. Install the anchor cover (A). Make sure the hooks (B) and the tab (C) snap into place securely.