REMOVAL CAUTION / NOTICE / HINT HINT:
PROCEDURE 1. REMOVE FRONT AXLE HUB SUB-ASSEMBLY LH (a) Remove the front axle hub (see page 2. DISCONNECT FRONT SPEED SENSOR LH
(b) Disconnect the speed sensor from the steering knuckle. 3. DISCONNECT TIE ROD END SUB-ASSEMBLY LH (a) Remove the cotter pin and nut.
4. DISCONNECT FRONT LOWER BALL JOINT ATTACHMENT LH
5. REMOVE STEERING KNUCKLE LH (a) Support the front suspension lower arm LH with a jack. (b) Remove the clip and the nut.
(d) Remove the steering knuckle. 6. REMOVE KNUCKLE GREASE RETAINER CAP LH (for 2WD)
7. REMOVE STEERING KNUCKLE OIL SEAL LH (for 4WD)
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Toyota Tundra Service Manual > Sfi System: Open in Secondary Air Injection System Heater Control Circuit (P144C,P144D)
DESCRIPTION The ECM operates the air pump heater (AI HTR) relay which causes the air pump heater (AI HTR) to operate. DTC No. DTC Detection Condition Trouble Area P144C Open or short in the air pump heater (AI HTR) relay circuit for 5 seconds (1 trip detection logic). Open or short in air pump heate ...